Walter Pidgeon

as The Chairman

as The Pickpocket

as Judge Trenchard

as Charlie Parkins

as Casey

as Dr. Samuel Andrews

as Sen. Arne Lindner

as Dr. Amos Larkin

as Sterling North (voice)

as Florenz Ziegfeld

as Orville Ames

as King

as Colonello Henderson

as Senate Majority Leader

as James Haggin

as Admiral Harriman Nelson

as Col. Edward W. Hall, Sr.

as James Rayburn

as Dr. Edward Morbius

as Narrator (voice)

as Xavier Smith

as J.J. Shubert

as James Ellswirth

as Cmdr. Dowling

as Frederick Y. Alderson

as Walter McBride

as Harry Pebbel

as Frederick Kellerman

as Haven D. Allridge

as Dwight Bradley Masen

as Clem Miniver

as le jeune Jolyon Forsyte

as Col. Michael S. 'Hooky' Nicobar

as Major General Roland Goodlow Kane

as William Sylvester Packett

as Chris Matthews

as Chip Collyer

as Major Augustus Parkington

as Pierre Curie

as Clem Miniver

as Mr. Gruffydd

as Sam Gladney

as Captain Alan Thorndike

as Squadron Commander Billy Gary

as Nick Carter

as William 'Will' Cantrell

as Tim Nolan

as Nicholas 'Nick' Carter, aka Robert Chalmers

as Christopher Durant

as Richard Thurlow

as Bill Dennis

as Sam Bailey

as Hartley Madison

as Richard Morey

as Florestan

as Lucy's Lover

as Al Howard