Melvyn Douglas

as Self (archive footage)

as (archive footage)

as Self (archive footage)

as Max Reich

as Dr. John Jaffrey

as David

as Senator Carmichael

as Benjamin Rand

as Senator Birney

as Donald's Father

as Grandpa Doc

as Grandpa Doc

as Zachariah Guthrie

as Old Clement Sturgess

as Monsieur Zy

as (archive footage)

as Stateman Benjamin Franklin

as Dr. Paul Harelson

as Police Captain Earl Kreski

as Grandfather

as Grandpa

as John J. McKay

as Joseph Provo

as Self (archive footage)

as Judge Earl Chapman

as Tom Garrison

as Keller Floran

as Self (archive footage)

as Dr. Lawrence Strelson

as Self - Guest

as Peter Schermann

as Deputy Governor Danforth

as Warren Trent

as Peter Schermann

as Henry Drummond

as Martin

as Frederick Larbaud

as Admiral William Jessup

as Leon (archive footage)

as Col. Claude Brackenbury

as Pat Konke

as Dr. Mark Ryder

as Homer Bannon

as The Dansker, Sailmaker

as Burton Strang

as Gen. Parker

as Self - Host

as Stalin

as Howard Hoagland

as Gen. Parker

as Self

as self

as Professor Arthur Barris

as Steve Randall

as Henry Drummond

as Galileo Galilei

as Frank Bradley

as Paul Beaurevel

as James Strickland

as Self - Guest Host

as Self - Guest Performer

as Self

as Armand De Glasse

as Luke Jordan

as Cyril Ritchard

as Richard Gordon

as The Stranger

as Clive Heath

as Self

as Bill Cole

as Brice Chamberlain

as Smithfield 'Smitty' Cobb

as Jeff Seabrook

as Michael 'Mike' Holmes

as Nicholas Prax

as Lawrence 'Larry' Blake

as Jerome 'Jerry' Marvin

as Dr. Gustaf Segert

as Larry Baker

as Tice Collins

as Jeff Thompson

as Paul Boliet

as Self

as Henry Lowndes

as Kenny Williams

as Count Leon d'Algout

as Self

as Ronald Brooke

as Michael Cassidy

as Self

as Melvyn Douglas

as William 'Bill' Reardon

as Henry Linden

as Vincent Bullitt

as Joel Sloane

as George Sartoris

as William H. Reardon

as Rene Farrand aka Arsene Lupin

as James Guthrie

as Anthony 'Tony' Halton

as Frank Burton Cheyne

as George Potter

as Richard Stark

as Michael Grant

as John Randolph

as Stephen Blake

as Michael Lanyard

as Jeff Hogarth

as Barton Powell

as Richard Barclay

as George R. 'Traps' Stuart

as Charles Stanton

as Tony Robson

as Roy Darwin

as Dr. Walter Tradnor

as Karl Brettschneider

as Penderel

as Count Bruno Varelli

as Philip 'Phil' Marvin

as David Rolfe

as Capt. Andre Verlaine

as Jim Fletcher