Frank Launder Director, Producer Jean Simmons Emmeline Foster Actor Donald Houston Michael Reynolds Actor Noel Purcell Paddy Button Actor Susan Stranks Emmeline, as child Actor James Hayter Doctor Murdoch Actor Cyril Cusack James Carter Actor Maurice Denham Ship Captain Actor Philip Stainton Mr. Ansty Actor Patrick Barr Second Mate Actor John Baines Screenwriter Sidney Gilliat Producer Geoffrey Unsworth Cinematographer Thelma Connell Film Editing Clifton Parker Original Music Edward Carrick Art Director Elizabeth Hennings Costume Design