Helen Hayes
Catherine Barkley
Gary Cooper
Lt. Frederic Henry
Adolphe Menjou
Major Rinaldi
Mary Philips
Helen Ferguson
Blanche Friderici
Head Nurse
Mary Forbes
Miss Van Campen
Gilbert Emery
British Major
Henry Armetta
Bonello the Ambulance Driver (uncredited)
Herman Bing
Swiss Postal Clerk (uncredited)
Agostino Borgato
Hospital Porter Giulio (uncredited)
Marcelle Corday
Swiss Nurse (uncredited)
Gino Corrado
Italian Soldier (uncredited)
William Irving
Frustrated Opera Singing Friend (uncredited)
Doris Lloyd
Nurse (uncredited)
