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