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