Famous Faces in 'Free Willy'

Today is a huge day in cinematic history ... but for the uninitiated we'll spell it out -- the 20th anniversary of that unforgettable dramatic masterpiece "Free Willy."

Take a moment to overcome the shock of that movie film being 2 decades old ... then treat yourself to a gallery of Hollywood celebs under that majestic flying orca.

If that's not enough "Free Willy" fun click HERE to see what the kid looks like all growed up!