The Secret of Dr. Kildare

James Kildare

Leonard Gillespie

Paul Messenger

Nancy Messenger

Wayman

Mary Lamont

Nora

Stephen Kildare

Martha Kildare

SJ Carew

John Archley

Molly Byrd

Charles Herron

Sally

Mrs. Roberts

Nosey

Conover

Mike

Finch (uncredited)

Collins (uncredited)

Pay Orderly (uncredited)

Dr. Joiner (uncredited)

Telephone Repair Man (uncredited)

Hospital Attendant (uncredited)