|Birth||March 6, 1957 (age 61)|
(Cumberland, Maryland, United States)
|Parents||Irma and Robert Deezen|
|The Polar Express|
|Role||Actor (film and video game)|
He is best known for playing nerd characters, of which Know-It-All is one of them, including Eugene Felsnick in Grease and Grease 2, Mandark in Dexter's Laboratory, Wesley in Midnight Madness and Malvin in WarGames. He is also known for starring in cult films, including Menlo Schwartzer in Surf II, Tony Anthony in Mob Boss and Kyle Carpenter in Beverly Hills Vamp.
- Deezen was born in the same year as Tobias Meister.
- He had previously played a role in I Wanna Hold Your Hand, another film directed by Robert Zemeckis.