Mark Tinsle (8 episodes)

Beau

Monster

Michael O'Donoghue

Brooks McCutcheon (3 episodes)

Henry (10 episodes)

Stu Pickles (voice) (85 episodes)

Nathan Gold (1 episode)

Westley (1 episode)

Monster

Dr. Fuller (1 episode)

Wes

Chet

John B. Emerson

Chris

Blake (1 episode)

Trip (1 episode)

JP

Alex Cole (44 episodes)

Mike Leighton (34 episodes)

Tim (1 episode)

Julie's Brother

Ethan (1 episode)

Todd (1 episode)

Bryce Tyler (1 episode)

Harris Marder (1 episode)

Josh Daniels (11 episodes)

Todd

Trip

Grant Boyer (1 episode)

Ron (1 episode)

John Flory (1 episode)

Writer (3 episodes)

Creator

Tommy Wheeler (1 episode)

James (13 episodes)

Roger

Mike (1 episode)

Jesse

Rex

Charlie

Nick Bartleby (1929) (1 episode)

Michael Dowling (13 episodes)

Greg (1 episode)