- Jack Black
- Â Computerman 6 episodes, 2003-2004
- Dan Harmon
- Â Eugene Murzowski 6 episodes, 2003-2004
- Haysha Deitsch
- Â Michael 5 episodes, 2003
- Jeff Bryan Davis
- Â Agent Chapman 4 episodes, 2003
- Dawn Cody
- Â A.M.I. 3 episodes, 2003-2004
- Steve Agee
- Â Luddite / ... 2 episodes, 2003
- Andy Samberg
- Â Self 1 episode, 2003
- Jorma Taccone
- Â Self 1 episode, 2003
- Akiva Schaffer
- Â Self 1 episode, 2003
- Rob Schrab
- Â Self 1 episode, 2003
- Chris Tallman
- Â Lynn Stalmaster 1 episode, 2003
- The Lonely Island
- Â Themselves 1 episode, 2003
- Scott Chernoff
- Â Self 1 episode, 2003
- Kurt Scholler
- Â Newscaster 1 episode, 2003
- Andy Crocker
- Â Self 1 episode, 2003
- Jeremy Carter
- Â Self 1 episode, 2003
- Sammy Primero
- Â Chinky Lee 1 episode, 2003
- Stuart Cornfeld
- Â Dad unknown episodes