Self
Pvt. Joker
Congressman Cliff Williams
Self
Vannevar Bush
Self
Foley
Ben's Father
Narrator (voice)
Colonel Joseph Lavelle
Self
Actor (uncredited)
Dr. Ralph Wyman
Paul Freeman
Self
Birdy
Thomas P. Johnson / Voice of Fluke
John Thain
Secretary of Defense James Riley
Greg Townsend
Richard Dreyer
Self - Host
Dr. Stern (voice)
Self
Gordon Rickett
Self - Guest
Bill Braddock
Dr. Martin Brenner
Self
Dr. Michael Ranger
Ivan Turing
Fritz Gerlich
Self
Jack Robinson
Self - Guest
Samson Wheeler
Sammy Ayers
Jake Macklin
Marco Arlens
Self - Guest
