Jason Foster (1 episode)
Dr. John Kimble (1 episode)
Arthur 'The Professor' Duffy (1 episode)
Tullio King of Rome
Captain Jeremiah Brown
Sam Pegler
Col. Rogers
Capt. Miranov
Julian
Alexander Bullock
The Colonel
Col. Cousins
Jasper Hadley
Police Chief Jim Backett
Lt. Brannigan
Bernard V. Loomis
Father Cannon
Gregory Tuttle
Bill Satterwhite
Dr. Garson Lee
Sheriff Harry Bleeker
Steve Morgan
Judge Gordon Kimbell
Lieutenant Colonel Hillary Whalters
Sam Doyle
Walter Medford
Thomas Greer
George Degnan
Paul E. Cosick
Inspector Martin Ferris
T. Jefferson Leffingwell
Mandel
Tim Harveigh
Henry Winters
'Mac' McCreery
George Hackett
Additional Dialogue
Union Courier (uncredited)