David Hedison

as Self

as Self

as Self

as Jor El

as Daniel Alexander

as Stuart Davis

as Self

as Senator Davis

as US Ambassador

as Felix Leiter

as Self

as David(1 ep)

as Frank Wheeler

as Roger Langdon(8 eps)

as Porcius Festus(5 eps)

as Ed Galvin(1 ep)

as Mitch Payne(1 ep)

as Victor Caspar(1 ep)

as Victor Casper(1 ep)

as Davidson(1 ep)

as Neil Palmer(1 ep)

as Jim Ratcliff(1 ep)

as Dr. Peter Hadley

as David Burke(1 ep)

as Carson

as Carson(2 eps)

as David Vaughn(1 ep)

as Theodore Cooper(1 ep)

as Pierre Cerdan(1 ep)

as Jack Fitzpatrick(1 ep)

as Dr. Howard Bentley(1 ep)

as Saxon(1 ep)

as Mark

as Phillip Corrigan(1 ep)

as Austin Tyler(2 eps)

as Jordan Stevens(1 ep)

as Milo(1 ep)

as Monte Sorrenson(1 ep)

as Sam Dexter(2 eps)

as Robert King

as Miles Warner(1 ep)

as Miles Wiatt(1 ep)

as Danton

as (archive footage)

as Ashpenaz

as Glen Dodson(1 ep)

as David Royce

as Frederick Flanagan(1 ep)

as Carlyle Cranston(1 ep)

as Buddy Stanfield(2 eps)

as Sherman(1 ep)

as Bradford York(1 ep)

as Allan Christensen(1 ep)

as Cliff Jacobs(2 eps)

as Carter Gillis(1 ep)

as John Thornwood(1 ep)

as Parker Sharon

as Evan Robley(1 ep)

as Dr. Wes Dolan

as Roger Woods(1 ep)

as Lyle Brewster(1 ep)

as Dr. Peter Brooks

as Allen

as Jeffrey Donnenfield(1 ep)

as Herbert Kasson

as Prof. Roger Edmonds

as Felix Leiter

as Edmund Hardy

as Paul Nugent(1 ep)

as Steve Darnell(1 ep)

as Gordon Bell(1 ep)

as John Sandler(1 ep)

as David Farnum(2 eps)

as Nick Burns

as Rob(1 ep)

as Dave(1 ep)

as Bill Kromin(1 ep)

as William Searle(1 ep)

as Self(4 eps)

as John Buchanan(1 ep)

as Scott Jordan(1 ep)

as Lou Forrester(1 ep)

as Philip

as Captain Crane(110 eps)

as Spencer Harrison(24 eps)

as Self(1 ep)

as Bill Harvey(1 ep)

as Self(1 ep)

as Self(1 ep)

as Victor Sebastian

as Victor Sebastian

as Max Hendricks(1 ep)

as Pfc. Dave Chatfield

as Victor Sebastian

as Victor Sebastian

as Ed Malone

as Roger Ames(1 ep)

as Victor Sebastian(16 eps)

as Jamie

as Andre Delambre

as Lt. Ware

as Damion White(1 ep)