From the novel by A. J. Cronin, "The Citadel" is another great Donat film directed to perfection by King Vidor and co-starring Rosalind Russell and Ralph Richardson. Donat plays a doctor who is very interested in his profession and truly wants to heal the sick. We travel through his life and learn how his frustrations lead him to give up his principles and become a doctor only interested in treating the rich. We see his complete transformation and this moralistic tale allows Donat to develope the role from one extreme to another.

The cast includes:

• Robert Donat .... Dr. Andrew Manson
• Rosalind Russell .... Christine Manson
• Ralph Richardson .... Dr. Denny
• Rex Harrison .... Dr. Rennie Lawford
• Emlyn Williams .... Owen
• Penelope Dudley-Ward .... Toppy LeRoy
• Francis L. Sullivan .... Ben Chenkin
• Mary Clare .... Mrs. Orlando
• Cecil Parker .... Charles Every
• Nora Swinburne .... Mrs. Thornton
• Edward Chapman .... Joe Morgan
• Athene Seyler .... Lady Raebank
• Felix Aylmer .... Mr. Boon
• Joyce Bland .... Nurse Sharp
• Percy Parsons .... Mr. Richard Stillman