Adam Baldwin

as Gen. Jeffrey Amherst

as Coach Allen

as Detective Brian McGregor(1 ep)

as Sam Barnes

as Bob Orlinger

as Calvin Weber(1 ep)

as Self

as Self - Narrator (voice)

as XO Mike Slattery(56 eps)

as Metamorpho / Rex Mason (voice)(3 eps)

as Self

as Wilson (voice)

as Dr. Graham Barrett

as Hotel Dick(1 ep)

as Parasite (voice)(1 ep)

as Breakdown (voice)(11 eps)

as Mr. Clements

as Tommy

as Ethan Slaughter(2 eps)

as Colonel Michael Vance(2 eps)

as Carl Herrod

as Disgruntled Bodyguard

as Superman / Clark Kent / Dark Superman (voice)

as Self

as John Casey(91 eps)

as Jesse Carter

as Lenny

as Chad Shelten(13 eps)

as Self - Host

as Mike Rogo

as Jayne Cobb

as Jamie Kenton(1 ep)

as Special Agent Danny Love(13 eps)

as DHS Agent Brett Dunbar(1 ep)

as Jeff Stenn

as Jonah Hex (voice)(1 ep)

as Bonk (voice)(1 ep)

as Rick Flagg (voice)(1 ep)

as Dr. Viades

as Jay Forrest

as Michael Rainer(1 ep)

as Det. Mark Winston

as John Gacy, Sr.

as Lance Bishop

as De Soto(1 ep)

as Jayne Cobb(11 eps)

as Chris Myers / Keyman

as Christopher Bannon

as Vinnie Krailes

as Mel James

as Peter Clerkin

as Chad Harmon

as York (voice)(2 eps)

as Finn (voice)(41 eps)

as Old West Finn (voice)(1 ep)

as Finn / Ulf (voice)(1 ep)

as Finn / E.B. MacDonald (voice)(1 ep)

as Finn / Coach (voice)(1 ep)

as Finn / Carnival Worker (voice)(1 ep)

as Gameshow Host (voice)(1 ep)

as Captain Wagner

as Dr Jekyll / Mr Hyde

as Capt. Wilkins

as Jimmy, the bartender

as Marcus Hamilton(5 eps)

as Steven Harris(3 eps)

as Jeremy Butler

as Jack Ellway

as Fred Haise(1 ep)

as Agent X (voice)(13 eps)

as Michael O'Ryan(4 eps)

as Michael O'Ryan / Joe York(1 ep)

as Colonel Dave Dixon(2 eps)

as Col. Jack Riles(22 eps)

as John Reed

as Major Mitchell

as Don Mackey

as Lee

as Finn's Father

as Cmdr. Michael Rainer(1 ep)

as Captain West

as Burt Miller

as Thomas Hughes

as Major James Bowen(1 ep)

as Scott Cooper(1 ep)

as Sgt. Hastings

as Tom McLaury

as Bobby

as Tommy Wright

as Knowle Rohrer(5 eps)

as Mark Tullis Jr.

as Ralph Fiske(1 ep)

as Koja

as Mitch

as Alec Danz

as Officer Black

as Det. John Taylor(2 eps)

as The King

as Stoney Ptak

as FBI Agent #1

as Garber

as Joey Rosselin

as Tate

as Carter

as Animal Mother

as Skip Jackson

as Cleary

as Jeff Hannah

as Ike Dimick

as Mickey South

as Randy Daniels

as Albert Hockenberry

as Bobo McKenzie

as Stillman

as Ricky Linderman