Cast
Robert Donat
Dr. Andrew Manson
Rex Harrison
Dr. Frederick Lawford
Cameron Hall
Man Who Buys Microscope (uncredited)
Mary Clare
Mrs. Orlando
Edward Chapman
Joe Morgan
Bryan Herbert
Husband Whose Wife Has Typhoid (uncredited)
Eliot Makeham
Jack the Pharmacist (uncredited)
Francis L. Sullivan
Ben Chenkin
Cecil Parker
Dr. Charles Every
Bernard Miles
Medical Aid Society Committee Member (uncredited)
Rosalind Russell
Christine Manson
Ralph Richardson
Dr. Philip Denny
Joan Kemp-Welch
Nurse Assisting at Childbirth (uncredited)
Emlyn Williams
Owen
Nora Swinburne
Mrs. Thornton
Athene Seyler
Lady Raebank
Percy Parsons
Mr. Stillman
Harry Terry
Miner (uncredited)
Penelope Dudley-Ward
Toppy LeRoy
Felix Aylmer
Mr. Boon
Basil Gill
Doctor Page
Joss Ambler
Dr. A.H. Llewellyn
Gus McNaughton
Tom Evans (uncredited)
Kynaston Reeves
Doctor (uncredited)
Leslie Phillips
Girl (uncredited)