as Frank Poston
as Cyrus Hampton
as Prof. Ames Caulfield(1 ep)
as Carter
as Craig Chase(1 ep)
as James Chelton(1 ep)
as Willard
as Henry 'Hank' Rogers(1 ep)
as Bill McClure
as Greg Stewart(2 eps)
as Lawrence Henry Carroll III(1 ep)
as Viktor Lukas(2 eps)
as Frank Pearse(1 ep)
as Hakim(2 eps)
as Asher Berg(12 eps)
as Jonathan Kendrick(1 ep)
as Walter Healy(1 ep)
as Walter Carlson(13 eps)
as Nick Charles
as Saunders(1 ep)
as Ben Ryerson(1 ep)
as Rudolf van Bohlen
as Stuart Reynolds
as Thorpe(1 ep)
as Charles Corman
as Brett(1 ep)
as Mr. Sloan(1 ep)
as Julian Carpenter(1 ep)
as Del Whitman(1 ep)
as Lieutenant Egan(1 ep)
as Lang Roberts(1 ep)
as Peter Gunn
as Michael Strait(20 eps)
as Self - Co-Host(2 eps)
as Self(1 ep)
as Peter Gunn(114 eps)
as Abe Carbo
as Col. Joe Parkman
as Tom Burnett(1 ep)
as Jim Bancroft(1 ep)
as Arness Blackmore(1 ep)
as René LaFarge
as Paul(1 ep)
as Phil Barton
as Bruce Adams
as Detective Sergeant Steve O'Malley
as Arthur Hodges(1 ep)
as George(2 eps)
as Monte(1 ep)
as Mike Carr
as Johnny Kyper(1 ep)
as Cyril Guthrie
as Col. Braxton Summers
as Stuart Grumby
as Rick Martin
as Lou(1 ep)
as Ken Paine
as Danvers (uncredited)
as Tony Maddox
as Willard Deckerr
as Carter Andrews
as Monte Loeffler
as Bandleader
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)