演职人员
William Thomas Green Morton
Joel McCrea
Elizabeth Morton
Betty Field
Professor John C. Warren
亨利·凯里
Eben Frost
William Demarest
Dr. Horace Wells
Louis Jean Heydt
Dr. Charles T. Jackson
Julius Tannen
Vice-President of Medical Society
埃德温·马克斯韦尔
President Franklin Pierce
波特·霍尔
Dr. Heywood
Franklin Pangborn
Homer Quimby
Grady Sutton
Betty Morton
Donivee Lee
Judge Shipman
Harry Hayden
Dr. Dahlmeyer
Torben Meyer
First Dental Patient
Victor Potel
Senator Borland
Thurston Hall
The Priest
J. Farrell MacDonald
Morton's Sign Painter - replaced by Hank Worden (uncredited)
Roscoe Ates
Onlooker (uncredited)
Hank Bell
Massachusetts Medical Society Man (uncredited)
富兰克林·法纳姆
Morton's Clinic Manager (uncredited)
Byron Foulger
Morton's Sign Painter - replaced Roscoe Ates (uncredited)
Hank Worden
Presidential Secretary (uncredited)
亚瑟·霍伊特