A medical researcher is sent to a plague outbreak, where he has to decide priorities for the use of a vaccine.
as Dr. Martin Arrowsmith
as Leora Tozer Arrowsmith
as Gustav Sondelius
as Professor Max Gottlieb
as Dr. Oliver Marchand
as Twyford
as Dr. Tubbs
as Bert Tozer
as Joyce Lanyon
as Terry Wickett
as State Veterinarian
as Sir Robert Fairland
as Pioneer (uncredited)
as Cop (uncredited)
as Mrs. Tozer (uncredited)
as Miss Twyford (uncredited)
as Nurse (uncredited)
as Dr. Hesselink (uncredited)
as Committee Member (uncredited)
as City Clerk (uncredited)
as Committee Member (uncredited)
as Reporter (uncredited)
as Native Mother (uncredited)
as Drunk (uncredited)
as Pioneer Girl (uncredited)
as Italian Uncle (uncredited)
as B.W. Tozer (uncredited)
as Reporter (uncredited)
as West Indies Townswoman at Meeting (uncredited)
as Ship's Passenger (uncredited)
as Old Doctor (uncredited)
as Dignitary at Luncheon (uncredited)
as Little Johnny (uncredited)
as Ship's Passenger (uncredited)
as Henry Novak (uncredited)
as Dignitary (uncredited)
as Intern (uncredited)
as Bartender (uncredited)
as Ship's Officer (uncredited)
as Mrs. Novak (uncredited)
as Little Neighbor (uncredited)
as Ship's Officer (uncredited)