Joel McCrea
William Thomas Green Morton
The biography of Dr. W. T. Morgan, a 19th century Boston dentist, during his quest to have anesthesia, in the form of ether, accepted by the public and the medical and dental establishment.
The Great Moment
William Thomas Green Morton
Elizabeth Morton
Professor John C. Warren
Eben Frost
Dr. Horace Wells
Dr. Charles T. Jackson
Vice-President of Medical Society
President Franklin Pierce
Dr. Heywood
Homer Quimby
Betty Morton
Judge Shipman
Dr. Dahlmeyer
First Dental Patient
Senator Borland
The Priest
Morton's Sign Painter - replaced by Hank Worden (uncredited)
Onlooker (uncredited)
Massachusetts Medical Society Man (uncredited)
Morton's Clinic Manager (uncredited)
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