Cast
Joel McCrea
William Thomas Green Morton
Betty Field
Elizabeth Morton
Louis Jean Heydt
Dr. Horace Wells
Edwin Maxwell
Vice-President of Medical Society
Grady Sutton
Homer Quimby
Harry Hayden
Judge Shipman
Torben Meyer
Dr. Dahlmeyer
Victor Potel
First Dental Patient
Thurston Hall
Senator Borland
J. Farrell MacDonald
The Priest
Roscoe Ates
Morton's Sign Painter - replaced by Hank Worden (uncredited)
Hank Worden
Morton's Sign Painter - replaced Roscoe Ates (uncredited)
Arthur Hoyt
Presidential Secretary (uncredited)
Harry Carey
Professor John C. Warren
William Demarest
Eben Frost
Julius Tannen
Dr. Charles T. Jackson
Porter Hall
President Franklin Pierce
Hank Bell
Onlooker (uncredited)
Byron Foulger
Morton's Clinic Manager (uncredited)
Franklin Pangborn
Dr. Heywood
Franklyn Farnum
Massachusetts Medical Society Man (uncredited)