
as Prof. Ames Caulfield

as Self - Co-Host
1961

as Greg Stewart
1978

as Prof. Ames Caulfield
1984

as Viktor Lukas
1977

as Craig Chase
1982

as Walter Healy
1975

as Lawrence Henry Carroll III
1977

as Saunders
1974
as George
1952

as Peter Gunn
1958

as Mr. Sloan
1972

as Lang Roberts
1968
as Carter
1982

as Frank Poston
1988

as Cyrus Hampton
1986

as Carter
1982

as Willard
1981

as Bill McClure
1978

as Nick Charles
1975

as Rudolf van Bohlen
1974

as Dr. Stuart Reynolds
1974

as Charles Corman
1972

1969

as Peter Gunn
1967

as (archive footage)
1966

as Abe Carbo
1958

as Col. Joe Parkman
1957

as René LaFarge
1955

as Phil Barton
1954

as Bruce Adams
1953

as Detective Sergeant Steve O'Malley
1953

as Mike Carr
1952

as Cyril Guthrie
1951

as Col. Braxton Summers
1951

as Stuart Grumby
1950

as Rick Martin
1950

as Ken Paine
1950
as Prof. Ames Caulfield
1 ep.

as Self - Co-Host
2 episodes

as Greg Stewart
2 episodes

as Prof. Ames Caulfield
1 episodes

as Viktor Lukas
2 episodes

as Craig Chase
1 episodes

as Walter Healy
1 episodes

as Lawrence Henry Carroll III
1 episodes

as Saunders
1 episodes
as George
2 episodes

as Peter Gunn
114 episodes

as Mr. Sloan
1 episodes

as Lang Roberts
1 episodes

as Lieutenant Egan
1 episodes

as Del Whitman
1 episodes

as Arthur Hodges
1 episodes

as Ben Ryerson
1 episodes

as Julian Carpenter
1 episodes
as Jim Bancroft
1 episodes

as Jonathan Kendrick
1 episodes

as Paul
1 episodes
as Lou
1 episodes

as Brett
1 episodes

as Henry 'Hank' Rogers
1 episodes

as Asher Berg
12 episodes