Ray Stricklyn
as
Clint
Timothy Carey
as
Cole Harper
Douglas Kennedy
as
Col. Normand
Louis Jean Heydt
as
Capt. Walter F. Rodee
Douglas Kennedy
as
Capt. Walter Riley
Wayne Heffley
as
Commanding Officer
John Roy
as
Student
Peter Brocco
as
Brainard - Wilson's Aide
Barbara Billingsley
as
Kelston's Secretary
Douglas Kennedy
as
Tall Cop Jackson Who Vanishes
Joseph Kane
Director
Douglas Kennedy
as
Brinkley - Henchman
Forrest Tucker
as
Charley Pignatalli
Don Beddoe
as
Sen. Blake
Gene Lockhart
as
Sen. Tower
Michael Curtiz
Director
Pierre Watkin
as
Senator on Power Commission
Dale Robertson
as
Tunis Simms
Douglas Kennedy
as
Voice of Police Radio Broadcaster
John Alvin
as
Blackie
Douglas Kennedy
as
Detective
Rory Mallinson
as
George Fellsinger
Agnes Moorehead
as
Madge Rapf
Kent Smith
as
Peter Keating
Douglas Kennedy
as
Reporter
Ann Doran
as
Wynand's Secretary
John Alvin
as
Young Intellectual
Douglas Kennedy
as
Jeff Hunter
Frank Ferguson
as
Ship's Doctor
Philip Ahn
as
Steamship Official
William Hopper
as
Watson