Full Credits
21 members

Richard Derr
David Randall

Barbara Rush
Joyce Hendron

Peter Hansen
Dr. Tony Drake

John Hoyt
Sydney Stanton

Larry Keating
Dr. Cole Hendron

Rachel Ames
Julie Cummings

Stephen Chase
Dr. George Frye

Frank Cady
Harold Ferris

Hayden Rorke
Dr. Emery Bronson

Sandro Giglio
Dr. Ottinger

Kirk Alyn
Rioter Bringing Guns (uncredited)

James Congdon
Eddie Garson (uncredited)

Gertrude Astor
Traveler (uncredited)
Robert Chapman
Student (uncredited)
Gene Collins
Newsdealer (uncredited)
Marcel De La Brosse
Headwaiter (uncredited)

Estelle Etterre
Traveler (uncredited)

Paul Frees
Narrator/U.S. President (voice)
Gay Nelson
Leda (uncredited)
Edna Smith

Mary Murphy
Student
18 members
Rudolph Maté
Director
Michael D. Moore
Assistant Director
Sydney Boehm
Screenplay
Edwin Balmer
Novel
Philip Wylie
Novel
George Pal
Producer
John F. Seitz
Director of Photography
W. Howard Greene
Director of Photography
Leith Stevens
Original Music Composer
Walter Oberst
Sound Recordist
Gene Merritt
Sound Recordist
Hal Pereira
Art Department Manager
Albert Nozaki
Art Department Assistant
Sam Comer
Set Decoration
Ross Dowd
Set Decoration
Wally Westmore
Makeup Artist
Edith Head
Costume Design
Arthur P. Schmidt
Editor