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