Bill Paley (8 episodes)
Agent Jameison R. Donovan
Brian Grabler (1 episode)
Bill Mitchell
Lenny Ross (1 episode)
Amon Carter
Sheriff Tarsy
Bill Mitchell
Dr. Welch
Dan Henderson
Anderson Clarke
Frank Barron
Mick O'Brien (55 episodes)
Ted Kennedy
Charlie Winship
Colonel Stephen Glen (13 episodes)
Robert Grant
Jason Wheeler
General Hank Wallace
Max Salinger (2 episodes)
Mick Logan (2 episodes)
Robert Lowell
Benny Severide (16 episodes)
Becker
James Bennett (3 episodes)
Sam Phelps (3 episodes)
Pete Rising (1 episode)
Treat Williams (voice) (1 episode)
Jake Stanton (1 episode)
Don Kowalski (13 episodes)
Dr. Warren
Mr. Tucker
Colonel Wessinger
Jack Corbett
Captain Jeff Clark
Aron's Dad
Mark Schorer
Robert Terrell (2 episodes)
Gary Stiles
Norman Cohen
Jack Fuller Sr.
Padre Amy
Dr. Nate Grant (10 episodes)
Luis Gordon
Michael Peterson
David Morton (4 episodes)
Walter Collins
Andrew Brown (89 episodes)
Mr. Spencer Runcie
Stephen Carrow
Dr. David Henning
Sam Garrett
Mike Jeffers
Karl Thomasson
Agent Jason Ross
Theodore Lytton (2 episodes)
Karl Thomasson
Noah Stone
Pat Cappadora
Karl Thomasson
John McDonald
John Finnegan
Billy Burke
Xander Drax
Fitzgerald
Michael Ovitz
Critical Bill
Johnny Ross
Jack Brenner
Director
George McCallister
Peter Barnum
Champ's Manager
Jack Harold (19 episodes)
Robby Smith
Executive Producer
Alan Masters
Milo (voice) (2 episodes)
Dave Murray
Howard Prince (segment "None But the Lonely Heart") (1 episode)
Alan Palliko
Earl Rogers
Robert Laidlow
Max Rosenberg
Hoyt Cunningham
Scott Weston
Det. Roger Mortis
Mark Hendrix
David Ziegler
Peter
Rick Guida (2 episodes)
Rick Guida
Prince Andrew
Prince Andrew (1 episode)
J. Edgar Hoover
Arnold Friend
James Conway O'Donnell
Ernie Wyatt
Stanley Kowalski
Jack Dempsey
Ferdinando detto Giugiù
D.B. Cooper
Daniel Ciello
Cletus
Echo Base Trooper (uncredited)
Cpl. Chuck 'Stretch' Sitarski
George Berger
Captain Clark
Central Park Jogger (uncredited)
Michael Brick
Billings
Self - Performer (1 episode)