Michael Dietrich
John 'Boone' Hawkins
Mr. Isaac Hendricks
Hitler
Screenplay
T.J. Hamilton
General Dutton
Donald Saunders
Jim Wheeler
Jim Wheeler (1 episode)
Dick
Callohan
Orson Bailey (1 episode)
Adrian, Psychic
Morris Bird II
Larry Frank
Winton Dean
Senator Hank Rose
Schmidt
Mr. Kidd
Sheriff Bast
Mark Solomon
Solicitor-General Wallace Gannon (2 episodes)
Director / Mirkin
Cole Sheridan
Richard
Ray Preston
Captain Paul Stenning
Dr. Chester Crayton (1 episode)
Douglas Starr (4 episodes)
Gordon Tallas
Dwight D. Eisenhower (2 episodes)
President Dwight D. Eisenhower
Galileo Galilei
Russell Pfeiffer (1 episode)
Russell Pfeiffer
Ray Preston
Governor Harold Hoffman
Brigadier General Hershberg
Matthew Wylie
Father Mulligan
John Maxwell (2 episodes)
Various (voice)
(voice) (2 episodes)
Fox Butterfield
Ben Stone (88 episodes)
Garvin
Manny Wise
Hugh Kelly
Dennis Randall
Dr. Peter Kapik (1 episode)
Wayne 'Seti' Virgil (1 episode)
Joe Weber
Brother T.S. Murphy
Stephen Jarvis
Williamson
Harry Potter Sr.
Hull Barret
David 'Mo' Rutherford
Charles Norberry
Keith Mannings / Craig Mannings
Jimmy Quinn
Mark
Richard Maple
Wilbur Wright
John Converse
Erik Dorf (4 episodes)
Gerry Miller
Bo Lockley
Herbert G. Rucker
Jim O'Connor
Marine O. D.
Abe Battle
Henry Wiggen
Ballard
Trubee Pell