Andy (voice)

Dr. Robert Donatti (5 episodes)

Senator Henshaw (4 episodes)

Donald Rumsfeld (4 episodes)

Andy Katcavage (8 episodes)

Brian

Private Investigator (1 episode)

Detective Lester (1 episode)

Barrett

Seth Grayson (53 episodes)

Dean Xavier (6 episodes)

Assistant to Mrs. Fritz

Pete

Adam Coyer (1 episode)

Movie Man

Dr. Becsey

Ted Stoddard (1 episode)

Sean Allen (1 episode)

Jonathan Eldredge (1 episode)

(1 episode)

District Attorney

Billy

Christopher Penrose (young) (1 episode)

Jeremy Bash

Alex (1 episode)

Garret Rankin

Ernst Haeckel (1 episode)

Ernst Haeckel

Joe Hartwig (1 episode)

Steven Lamar (1 episode)

Brian Burke (1 episode)

Frank

Sophie's Lover

Jim (7 episodes)

Repairman Agent

Tom Bellow (4 episodes)

Duncan (2 episodes)

Russell Ramsay (1 episode)

Garrett Howard (1 episode)

Mike Dorigan (13 episodes)

Jeff Blogert