Eddie Velcoro (2 episodes)
Admiral Tuwey
The Major
Frank Jergens / Frank Jerome (1 episode)
Duncan Ashcroft
Ronald Reagan
Jerry
Sgt. Archie Sparks
Eddie Wyczenski (3 episodes)
Denny Duquette, Sr. (1 episode)
Don Decker (scenes deleted)
Darryl Kurtz
Roy Nolan (2 episodes)
Hal Kressler
Bill Stayton
Earl Smooter
Nolan Sharpless
Jupiter
Gacy/Noah Aldis (6 episodes)
Leo Corrigan
Sean Dunne
John McWhirter
Joe's Dad
Errol Podubney
John Vernon 'Black Jack' Bouvier III (2 episodes)
John Vernon "Black Jack" Bouvier III
Andrew Fallon
Earl Edwards
Elmo
Max Camden
The Captain
Randall Brooks
Maj. Gen. David Reece (6 episodes)
Domenico Venier
Sheriff Phillips
Dave Reimuller
Self / Charles Goodnight (voice) (1 episode)
FBI Agent Leon Ford
Earl Bassett
Stuart Kane
Lt. Brann
Wyatt Earp
Mr. Paris
Chip Daley
Lieutenant Joe Leaphorn
Walter Stuckel
Jack Milton
Det. Harry Philip Lovecraft
Henry Miller
Sergeant Hoke Moseley
Executive Producer
Pauling
Earl Bassett
Gary Marshetta
Roone Dimmick
Luthor Redmond (1 episode)
Lucky Boone
Remo Williams
Lou Fimple
Royal Earle Thompson
Sheldon Bart
Biscuits Toohey
Wilkes
Morgan
Gus Grissom
Jack
Ned Christie
John Anglin
Lynch's Henchman (1 episode)
Sam (uncredited)
Truck Driver