David Randall
Joyce Hendron
Dr. Tony Drake
Sydney Stanton
Dr. Cole Hendron
Julie Cummings
Dr. George Frye
Harold Ferris
Dr. Emery Bronson
Dr. Ottinger
Rioter Bringing Guns (uncredited)
Eddie Garson (uncredited)
Traveler (uncredited)
Student (uncredited)
Newsdealer (uncredited)
Headwaiter (uncredited)
Narrator/U.S. President (voice)
Leda (uncredited)
Student