Dr. Leonard Gillespie

Dr. James Kildare

Alice Raymond

Joe Wayman

Barbara Chanler

Dr. Stephen Kildare

Mrs. Martha Kildare

Dr. P. Walter Carew

Jack Hamilton

Dr. Lane-Porteus

Mr. Robert Chanler

Mrs. Chanler

Blue Swan Waiter (uncredited)

Dr. Collins (uncredited)

Harry Cook (uncredited)

Nurse (uncredited)

Little Boy's Mother (uncredited)

Miss Sally Green (uncredited)

Boardinghouse Landlady (uncredited)

Coronary Patient (uncredited)

Dr. Bates (uncredited)

Maggie (uncredited)

Dr. Joiner (uncredited)

Nurse Parker (uncredited)

President, Board of Directors (uncredited)

Nurse (uncredited)

Head Nurse (uncredited)

Bartender (uncredited)

Dr. Harris (uncredited)

Charlie (uncredited)

Lodger Bringing Blanket (uncredited)

Lodger Going for Ambulance (uncredited)

Clancy (uncredited)

Intern (uncredited)

Mike Ryan (uncredited)

Albert Foster (uncredited)

Intern (uncredited)

Conover (uncredited)

Intern (uncredited)

Resident Doctor (uncredited)

Dr. Vickery (uncredited)

Detective Herman (uncredited)

Little Boy (uncredited)

Ed (uncredited)

Board Member (uncredited)