Trailer
Cast
John Hoyt
Sydney Stanton
Frank Cady
Harold Ferris
Hayden Rorke
Dr. Emery Bronson
Kirk Alyn
Rioter Bringing Guns (uncredited)
Paul Frees
Narrator/U.S. President (voice)
Sandro Giglio
Dr. Ottinger
Estelle Etterre
Traveler (uncredited)
Mary Murphy
Student
Richard Derr
David Randall
Peter Hansen
Dr. Tony Drake
Larry Keating
Dr. Cole Hendron
James Congdon
Eddie Garson (uncredited)
Barbara Rush
Joyce Hendron
Rachel Ames
Julie Cummings
Stephen Chase
Dr. George Frye
Gertrude Astor
Traveler (uncredited)