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