James Denton

as Nelson King

as Aaron

as Nelson King

as Jack Chandeller

as Ethan Holt

as Steve

as Joe Frederickson

as Dr. Sam Radford

as Slim

as Tom Brennan

as Stewart Henry

as Kyle

as Cooper Brawn

as Drake

as Carter McConnell

as Narrator

as Johnny Trey

as Jake Turner

as Superman / Clark Kent (voice)

as Agent Murphy

as John Sullivan

as Elmer Winslow

as Dr. Kessler

as Self - Guest • 1 eps

as Dr. Sam Radford • 68 eps

as Peter Hudson • 7 eps

as Self - Candidate • 1 eps

as Kerouac Cowboy • 1 eps

as Brian Dunne • 6 eps

1 eps

1 eps

as Self • 2 eps

as Self - Guest • 1 eps

as Self • 1 eps

as Self • 1 eps

as Mike Delfino • 179 eps

as John Kilmer • 16 eps

as Self • 4 eps

as Self • 1 eps

as Dr. Morgan • 2 eps

as Judge Augustus Ripley • 22 eps

as Tom Jordan • 1 eps

as Dr. Howard Zwaneveld • 1 eps

as Jimmy Bender • 1 eps

as Self • 3 eps

1 eps

as Mr. Lyle • 36 eps