Linnie McCallister In 'Home Alone' 'Memba Her?!

American actress Angela Goethals was just 13 years old when she was cast as Linnie McCallister -- the sarcastic and sassy older sister of Kevin McCallister -- in the classic Christmas film "Home Alone" back in 1990.

Angela shared the big screen with Macaulay Culkin as the rambunctious and forgotten child, Kevin McCallister, Catherine O'Hara as the neurotic but loving mother, Kate McCallister, John Heard as the spacey father, Peter McCallister, Joe Pesci as one of the bumbling wet bandits, Harry Lime and Daniel Stern as Harry's partner in crime, Marv Murchins.

'Merry Christmas, ya filthy animals!'

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Alex O'Donnell In '17 Again' 'Memba Him?!

American actor, singer and dancer Sterling Knight was 20 years old when he was cast as Alex O'Donnell -- the insecure basketball player who was bullied in high school -- in the 2009 film "17 Again."

Sterling shared the big screen with Zac Efron as the star basketball player who is being highly recruited for college basketball, Mike O'Donnell, Matthew Perry as the older version of Mike O'Donnell and Leslie Mann as the adult version of the high school teen who becomes pregnant, Scarlet O'Donnell.

Sterling is also known from his days on Disney Channel's "Sonny With A Chance" playing Chad Dylan Cooper alongside Demi Lovato.

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Skipper On 'Sex And The City' 'Memba Him?!

American actor Ben Weber was 26 years old when he was first cast as Skipper Johnston -- the nerdy website wiz and Miranda's on-and-off-again boyfriend -- in HBO's sitcom "Sex And The City" back in 1998.

Ben shared the screen with Sarah Jessica Parker as the sex newspaper columnist, Carrie, Cynthia Nixon as the attorney and Skipper's love interest, Miranda, Kim Cattrall as the sex-positive public relations specialist, Samantha, Kristin Davis as the conservative art gallerist, Charlotte and Chris Noth as the wealthy financial analyst and Carrie's boyfriend, Mr. Big.

Ben was a part of the 'SATC' cast for two seasons.

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Flight Attendant In 'Meet The Parents' 'Memba Her?!

American actress Kali Rocha was 29 years old when she was cast as the annoyingly friendly flight attendant -- who demanded oversized luggage be checked and not carried on -- in the 2000 comedy/romance film "Meet The Parents."

Kali shared the big screen with Ben Stiller as the nurse who is intimated by his future in-laws, Greg Focker, Robert De Niro as the retired CIA agent, Jack Byrnes, Teri Polo as the elementary school teacher, Pam Byrnes and Owen Wilson as Pam's ex, Kevin Rawley.

The film's success led to two sequels, "Meet The Fockers" and "Little Fockers."

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Young Selena In 'Selena' 'Memba Her?!

American actress Rebecca Lee Meza was just 10 years old when she was cast as the adolescent Selena Quintanilla -- the aspiring American Tejano singer growing up in Corpus Christi, TX -- in the classical music movie "Selena" back in 1997.

Rebecca shared the big screen with pop icon Jennifer Lopez as Selena, Jon Seda as the guitarist and Selena's husband, Chris Pérez, Edward James Olmos as Selena's father, Abraham Quintanilla.

Other notable actors in the biopic included Constance Marie as Selena's mother, Marcela Quintanilla ... and Jackie Guerra as Selena's sister, Suzette Quintanilla.

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Chloe Simon In '102 Dalmatians' 'Memba Her?!

British-American actress Alice Evans was 32 years old when she was cast as Chloe Simon -- the probation officer and owner of dogs Dottie, Dipstick and their three puppies -- in Disney's adventure/comedy film "102 Dalmatians" back in 2000.

Evans shared the big screen with Glenn Close as the main antagonist who is rude and mean, Cruella de Vil, Ioan Gruffudd as the Second Chance animal shelter owner and Chloe's boyfriend, Kevin Sheperd, Tim McInnerny as Cruella's right-hand man (not necessarily by choice), Alonzo and Gérard Depardieu as the fashionista helping Cruella make her puppy fur coat, Jean-Pierre Le Pelt.

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Paula On 'Jersey Shore' 'Memba Her?!

Reality television fan favorite Paula Pickard -- the sweet and innocent off-and-on girlfriend of Mike Sorrentino -- was just 21 years old when she made her first appearance on season 1 of MTV's "Jersey Shore" back in 2010.

Aside from accompanying 'Mike The Situation,' Paula joined the rest of the Jersey Shore legends including Nicole 'Snooki Polizzi, DJ Pauly D, Jennifer 'JWoww' Farley, Vinny Guadagnino, Angelina Pivarnick and Ronnie Ortiz-Magro.

Although she first appeared on season one of the hit show, Paula and 'The Sitch' did not become a 'situation' until season 6 in 2012.

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Pet Shop Owner In 'Best In Show' 'Memba Him?!

Japanese-Canadian actor Hiro Kanagawa was 37 years old when he was cast as the stoic yet gentle and patient pet shop owner in the comedy/mockumentary and Thanksgiving classic film "Best In Show" back in 2000.

Hiro shared the big screen with a star-packed cast including Christopher Guest as Harlan Pepper, Eugene Levy as Gerry Fleck, Catherine O'Hara as Cookie Fleck, Fred Willard as Buck Laughlin and Jennifer Coolidge as Sherri Ann Cabot and countless others!

"Best In Show" was the inspo behind NBC's airing of "The National Dog Show" which started on Thanksgiving back in 2002.

Happy Turkey Day!

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Clark In 'Pineapple Express' 'Memba Him?!

American actor Arthur Napiontek was 21 years old when he was cast as Clark -- the ripped high school jock who comes off as smooth and confident while trying to make a move on Dale's girlfriend -- in the 2008 film "Pineapple Express."

Art shared the big screen with Seth Rogen as the lighthearted "dude" always down for a good time, Dale Denton, James Franco as the gullible, artsy guy who is into theater, Saul Silver and Amber Heard as Dale's hot blonde girlfriend who sometimes gives her boyfriend Dale a hard time, Angie Anderson.

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Dr. Susan McCallister In 'Deep Blue Sea' 'Memba Her?!

English actress and model Saffron Burrows was 27 years old when she was cast as Dr. Susan McCallister -- the lead scientist studying sharks in aid to cure Alzheimer's but ends up being attacked and killed -- in the 1999 shark film "Deep Blue Sea."

Burrows shared the big screen with Samuel L. Jackson as the CEO who funded the aquatic study center, Russell Franklin, Thomas Jane as the shark hunter, whisperer and exceptional swimmer, Carter Blake and LL Cool J as the hilarious chef giving a humorous point of view on the shark attacks, Preacher.

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Woody Fink In 'The Suite Life On Deck' 'Memba Him?!

American actor Matthew Timmons was just 15 years old when he was first cast as Woody Fink -- the curly-haired high school student who does his absolute best embracing his 'different' appearance -- in Disney's sitcom "The Suite Life On Deck" back in 2008.

Timmons was accompanied by Cole Spouse as the smart brother who is into classical music, Cody Martin, Brenda Song as the spoiled, air-headed gal, London Tipton and Dylan Sprouse as the goofball who doesn't take things too seriously, Zack Martin.

Matthew reprised his role as Woody in the 2011 film "The Suite Life Movie."

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Guess Who This Classy Kid Turned Into!

Before this relaxed kid in his button-down shirt turned into a singer, television host and actor ... he was just casually posing on the playground, hanging with his little bro and growing up in Harlan, Kentucky.

If you didn't listen to him and his fellow boy banders in the mid-'90s, you probably watched him on MTV about a decade later. In 2021, he won "The Masked Singer" and unveiled his face after stripping out of his piglet costume.

Need one more clue? Because of you, this cute kid has had 3 top 10 hits.

Can you guess who he is?

Singer Keri Hilson 'Memba her?!

R&B singer Keri Hilson was 25 years old when she put her name on the map and on the top of the music charts back in 2007. After signing with rapper and music producer Timbaland, Keri was hitting the ground stage running!

Keri definitely made her mark on the mid-2000s after being featured on Timbaland's track "The Way I Are" and continued to make big waves with hit songs "Knock You Down" and "Pretty Girl Rock." She worked with industry icons including Lil Wayne, Usher and Ciara.

'My name is Keri, I'm so fly, it's a lil' bit scary!'

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Tim Murphy In 'Jurassic Park' 'Memba Him?!

American actor Joseph Mazzello was just 10 years old when he was first cast as Tim Murphy -- the young smarty pants who is intrigued by dinosaurs before getting hunted by them -- in the classic action film "Jurassic Park" back in 1993.

Joe was cast alongside Laura Dern as the adventurous doctor who isn't afraid to get her hands dirty, Ellie Sattler and Jeff Goldblum as the outgoing (and at times cocky) mathematician, Dr. Ian Malcolm.

Joseph reprised his role as Tim in "The Lost World: Jurassic Park" in 1997 and was joined by Julianne Moore and Vince Vaughn.

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Coral Smith On MTV's 'The Real World' 'Memba Her?!

Reality television personality Coral Smith was just 22 years old when she was first cast to be a part of MTV's "The Real World" -- a show following '7 strangers picked to live in a house' and have their real lives filmed back in 2001.

Smith was a cast member during the 10th season of the hit show, which headed back to New York, following the original New York season in 1992.

Coral went on to be a popular cast member on "The Real World's" spin-off show, "The Challenge." She also hosted "The Real World: Portland" after shows and the reunion in 2013.

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American Idol Winner David Cook 'Memba Him?!

American rock singer and songwriter David Cook was 25 years old when he was crowned as the "American Idol" winner of season 7 back in 2008.

Cook's musical talents took him all the way, but his runner-up David Archuleta definitely put up a fight and Syesha Mercado was not too far behind with her exceptional musical chops!

While America had the ultimate say on Cook's big win, judges Simon Cowell, Paula Abdul and Randy Jackson did not hold back from putting in their two cents and helping guide the singer to the finish line.

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