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)
Estelle Etterre
Traveler (uncredited)
Paul Frees
Narrator/U.S. President (voice)
Mary Murphy
Student
Robert Chapman
Student (uncredited)
Gene Collins
Newsdealer (uncredited)
Marcel De La Brosse
Headwaiter (uncredited)
Gay Nelson
Leda (uncredited)
Edna Smith
