Self (archive footage)
Dr. W.L. Janz, M.D.
Joshua Davis
Mr. Lassiter
Gen. Nathan Keller
Mr. Nickerson
Walter Van Runkle
Chief Agent Alec Conrad
Johnny Achilles
Col. Ethan Waters
Brig. Gen. Robert O'Brien
Jim Summers
Guy Polli
Grover Johnson
Capt. Jim Martin
Judge Williams
Attorney Palmer
Jayda McQueen
Emir Hassan
Counsellor Doone
Cmdr. James McLean
Sam Bellows
Dr. Foster
Richard Evans
Lt. Dearborn
Professor Brandt
Capt. Allen
George Harland
Dr. Walters
Gen. de la Garance
Igor Braun
Dr. Jim Borden
Dr. Matt Higgins
Jack Lestrade
Field
Dr. Franz Edelmann
Brock Danvers
Rudolph Von Preissing
Bob Stevens
Gregg Jackson
Tom Hannegan
J. Stanley McMasters
Bob Dunbar
Carl Cutler
Frederick Keller
Dr. Frank Norton
Holden
Dr. Joel Becker
Ellis
Joe Baldwin
Nate Girard
Mr. Wendi
Dan Adams
Mr. Shaw
Pecos Kane
Jack Hanway
Jeffrey 'Jeff' Powell
Farraday
Aramis
John Grayson
Dan 'Ace' Cartwright / Henry Mathews
Dr. John Kendrick
Don Phillips
Steve Nichols, alias Steve Cummings
Prof. John Applegate
Lyn Durland
Stanley Stanfield
Prince Michael
Harry Rogers
Francis Scott Graham
Walter
John Hawley
John P. Tedesco
Barnard
Frank Faber
Sir Gerald 'Jerry' Markham
Dr. Roy Stark
Calvin Brown
Lawrence Vail
Henchman (uncredited)
Tom Crosby
Carl Hughes
