Memba Them

Mark Harelik may have only made one appearance on "Seinfeld" as the braggadocious tennis pro, Milos, in the 1997 episode, "The Comeback" ... but his game will live on in infamy. Guess what he looks like now!

Moira Quirk is best known for her role as ref "Mo" -- opposite Mike O'Malley and the Aggro Crag -- in the '90s challenge course for kids show, "Nickelodeon Guts." Guess what she looks like now!

Amy O'Neill is best known for playing the tiny teenage daughter, Amy Szalinski, in the 1989 mini movie "Honey, I Shrunk the Kids" and the giant 1992 follow-up film "Honey, I Blew Up the Kid." Guess what she looks like now!

Leslie Van Houten was only 19 years old when she was sentenced to life in prison in connection with the Leno and Rosemary LaBianca murders back in 1969. Guess what she looks like now at 67!

Steve Harwell shot to stardom when his band, Smash Mouth, went triple platinum after their song, "All Star," caught like wildfire and was even featured on the movie "Shrek." Guess what he looks like now!

Schuyler Fisk is best known for playing the best friend, Lane -- opposite Mark Webber as Hal -- in the 2000 holiday film "Snow Day." Guess what she looks like now!

Noelle Parker is best known for playing the troublemaking Harmony -- opposite Jim Varney as Ernest P. Worrell -- in the 1988 Christmas comedy "Ernest Saves Christmas." Guess what she looks like now!

Eric Lloyd is best known for playing St. Nick's son, Charlie -- photographed here with his on screen dad Tim Allen -- in the 1994 Christmas movie "The Santa Clause." Guess what he looks like now!

Lou Antonio is best known for playing the chain gang prisoner, Koko -- opposite Paul Newman as Luke -- in the 1967 classic "Cool Hand Luke." Guess what he looks like now!

Peter Kwong is best known for playing the butt-kicking Rain -- opposite Lightning and Thunder -- in the 1986 Kurt Russell classic "Big Trouble in Little China." Guess what he looks like now!

Sandra Hess was 24 years old when she was cleaned up for her role as Cave Nug in the 1992 neanderthal comeback film 'Encino Man.' Guess what she looks like now at twice that age.

Tantoo Cardinal is best known for playing the tribesperson Black Shawl -- opposite Mary McDonnell as Stands With A Fist -- in the 1990 western film "Dances with Wolves." Guess what she looks like now!

Robin Weisman is best known for playing the adorable Mary -- photographed here with Tom Selleck as Peter -- in the 1990 follow-up-flick '3 Men and a Little Lady.' Guess what she looks like now!

Brent and Shane Kinsman were only 5 years old when they played Nigel and Kyle Baker -- opposite their on-screen father, Steve Martin -- in the 2003 family reboot "Cheaper by the Dozen." Guess what they look like at 19 years old ... and shirtless!

Martha Smith is best known for playing the exposed Barbara Sue "Babs" Jenson -- opposite Mary Louise Weller as Mandy Pepperidge -- in the John Landis' 1978 comedy classic "Animal House." Guess what she looks like now!

Mercedes McNab is best known for playing the privileged pilgrim camper Amanda Buckman -- opposite Christina Ricci as Wednesday Addams -- in the funny 1993 family film "Addams Family Values." Guess what she looks like now!