John Hillerman

as (archive footage)

as Self (archive footage)

as Dr. Whitehead

as Narrator (Voice)

as Dr. John Watson

as Pfarrer

as Sir Francis Commarty(3 eps)

as Raymond Kepler

as Cyril

as Lloyd Hogan(13 eps)

as Jonathan Higgins(1 ep)

as Edgar Greenstreet(1 ep)

as Host

as Dean Burch

as Maury Paul(2 eps)

as Rich Man - The French Revolution

as Higgins

as Jonathan Higgins(162 eps)

as Paul Harrison

as Greg Previn

as Victor Sutter(1 ep)

as Webb

as John Peacock

as John Peacock(1 ep)

as Voice of I.F.R. (voice)

as Victor Slavin

as Marvin

as George Davis

as Ed Hartnett(2 eps)

as Major Leo Hargit

as John Elliot(14 eps)

as Scott Velle

as Dr. Augustus Hamilton(1 ep)

as Major Walcott

as Christy McTeague

as Mr. Connors(6 eps)

as Conrad Steigler(1 ep)

as Simon Brimmer(4 eps)

as Ned Grote

as Simon Brimmer

as Rodney James

as Carl

as Thomas Q. Rachel

as Self(1 ep)

as Sterling Murdock(1 ep)

as Russ Yelburton

as Tree Inspector

as Howard Johnson

as Mark Gallant(1 ep)

as Psychiatrist

as Deputy Hardin / Jess Hardin

as Bootmaker

as Edmund Lasker

as Department Store Manager

as Air flight controller

as Major Underwood

as Jenkins

as Hotel Manager

as Bus Ticket Salesman

as English teacher

as Medical Examiner

as Totts

as Reporter (uncredited)

as Donald Blair(1 ep)

as Nelson Bodine(1 ep)

as Larry Lawton(1 ep)

as Morris Ridley(1 ep)

as Self(1 ep)

as Self - Nominee(3 eps)