Cast
Clarence Brooks
Dr. Oliver Marchand
Ward Bond
Cop (uncredited)
Charlotte Henry
Pioneer Girl (uncredited)
Adele Watson
Mrs. Novak (uncredited)
Richard Bennett
Gustav Sondelius
John Qualen
Henry Novak (uncredited)
Claude King
Dr. Tubbs
Bert Roach
Bert Tozer
Florence Britton
Miss Twyford (uncredited)
Nora Cecil
Nurse (uncredited)
Gibson Gowland
Committee Member (uncredited)
Theresa Harris
Native Mother (uncredited)
George Humbert
Italian Uncle (uncredited)
Erville Alderson
Pioneer (uncredited)
Cyril Delevanti
Committee Member (uncredited)
DeWitt Jennings
B.W. Tozer (uncredited)
James A. Marcus
Old Doctor (uncredited)
Eric Mayne
Dignitary at Luncheon (uncredited)
Carl M. Leviness
Ship's Passenger (uncredited)
Ronald Colman
Dr. Martin Arrowsmith
Helen Hayes
Leora Tozer Arrowsmith
Kendall McComas
Little Johnny (uncredited)
Alec B. Francis
Twyford
Myrna Loy
Joyce Lanyon
Russell Hopton
Terry Wickett
David Landau
State Veterinarian
Sidney De Gray
Dr. Hesselink (uncredited)
Mike Lally
Reporter (uncredited)
Lumsden Hare
Sir Robert Fairland
Beulah Bondi
Mrs. Tozer (uncredited)
Raymond Hatton
Drunk (uncredited)
Pat Somerset
Ship's Officer (uncredited)
Bobby Watson
Little Neighbor (uncredited)
A.E. Anson
Professor Max Gottlieb