Craig Stevens

as Frank Poston

as Cyrus Hampton

as Prof. Ames Caulfield

as Carter

as Craig Chase

as James Chelton

as Willard

as Henry 'Hank' Rogers

as Bill McClure

as Greg Stewart

as Lawrence Henry Carroll III

as Viktor Lukas

as Frank Pearse

as Hakim

as Asher Berg

as Jonathan Kendrick

as Walter Healy

as Walter Carlson

as Nick Charles

as Saunders

as Ben Ryerson

as Rudolf van Bohlen

as Dr. Stuart Reynolds

as Thorpe

as Charles Corman

as Brett

as Mr. Sloan

as Julian Carpenter

as Del Whitman

as Lieutenant Egan

as Lang Roberts

as Peter Gunn

as (archive footage)

as Michael Strait

as Self - Co-Host

as Self

as Peter Gunn

as Abe Carbo

as Col. Joe Parkman

as Tom Burnett

as Jim Bancroft

as Arness Blackmore

as René LaFarge

as Paul

as Phil Barton

as Bruce Adams

as Detective Sergeant Steve O'Malley

as Arthur Hodges

as George

as Monte

as Mike Carr

as Johnny Kyper

as Cyril Guthrie

as Col. Braxton Summers

as Stuart Grumby

as Rick Martin

as Lou

as Ken Paine

as Danvers (uncredited)

as Tony Maddox

as Willard Deckerr

as Carter Andrews

as Monte Loeffler

as Bandleader

as Gil

as Major Bruce

as Ed Rector

as Self

as Tom Dillon

as Danny Williams

as Lieutenant Jim Anthony

as Bob

as Weldon (P-40 Pilot)

as Edwards

as Peter Thorne

as Carl Becker

as Ward Prescott

as Chuck Evans

as Robert Struck

as Lance McGowan

as Alfred King, Jr.

as John Thomas Anthony III

as Bit Role (uncredited)

as Carlo's Guest (uncredited)

as Senate Reporter (uncredited)

as Sailor (uncredited)