William Thomas Green Morton

Joel McCrea

Acting

Elizabeth Morton

Betty Field

Acting

Professor John C. Warren

Harry Carey

Acting

Eben Frost

William Demarest

Acting

Dr. Horace Wells

Louis Jean Heydt

Acting

Dr. Charles T. Jackson

Julius Tannen

Acting

Vice-President of Medical Society

Edwin Maxwell

Acting

President Franklin Pierce

Porter Hall

Acting

Dr. Heywood

Franklin Pangborn

Acting

Homer Quimby

Grady Sutton

Acting

Betty Morton

Donivee Lee

Acting

Judge Shipman

Harry Hayden

Acting

Dr. Dahlmeyer

Torben Meyer

Acting

First Dental Patient

Victor Potel

Acting

Senator Borland

Thurston Hall

Acting

The Priest

J. Farrell MacDonald

Acting

Morton's Sign Painter - replaced by Hank Worden (uncredited)

Roscoe Ates

Acting

Onlooker (uncredited)

Hank Bell

Acting

Massachusetts Medical Society Man (uncredited)

Franklyn Farnum

Acting

Morton's Clinic Manager (uncredited)

Byron Foulger

Acting

Morton's Sign Painter - replaced Roscoe Ates (uncredited)

Hank Worden

Acting

Presidential Secretary (uncredited)

Arthur Hoyt

Acting