* Gary Cooper as Joe March
* Diane Varsi as Gwen French
* Genevieve Page as Polly March
* Charles Bickford as General Talmadge
* Philip Ober as George Vierling
* John Derek as Bill March
* Sylvia Sidney as Elizabeth Vierling
* Lee Marvin as "Little" Pa
* Richard Anderson as Arthur French
* Ned Glass as Detective Sergeant
* James Gregory as Mr. French
Please note that this is not a comprehensive list, and other actors may have had smaller roles in the film.