83 mins N/A The Great Moment | 1943 Biopic How anaesthetics may have been invented. Biopic of Dr. W.T.G. Morgan. 83 mins N/A Director: Preston Sturges Writers: Preston Sturges, Rene Fulop-Miller Stars: Joel McCrea, Betty Field, Harry Carey | See full cast & crew » Jump to Related Articles Photos Cast & Crew 0Awards Synopsis Cast Joel McCrea ... Actor Betty Field ... Actor Harry Carey ... Actor William Demarest ... Actor Luis Jean Heydt ... Actor Julius Tannen ... Actor Edwin Maxwell ... Actor Porter Hall ... Actor Franklin Pangborn ... Actor Grady Sutton ... Actor Donivee Lee ... Actor Harry Hayden ... Actor Full Cast & Crew Director Preston Sturges Director Full Cast & Crew Writers Preston Sturges Screenplay Rene Fulop-Miller Book as Source Material Full Cast & Crew Company Paramount Pictures Studio Full Cast & Crew Synopsis How anaesthetics may have been invented. Biopic of Dr. W.T.G. Morgan.