Charles Boyer as Gregory Anton

Ingrid Bergman as Paula Alquist

Joseph Cotten as Brian Cameron

May Whitty as Miss Thwaites

Angela Lansbury as Nancy

Barbara Everest as Elizabeth

Emil Rameau as Maestro Guardi

Edmund Breon as General Huddleston

Halliwell Hobbes as Mr. Muffin

Tom Stevenson as Williams

Heather Thatcher as Lady Dalroy

Lawrence Grossmith as Lord Dalroy

Jakob Gimpel as Pianist

Harry Adams as Policeman (uncredited)

Lassie Lou Ahern as Young Girl (uncredited)

John Ardizoni as Cab Man (uncredited)

Frank Baker as Pedestrian (uncredited)

Wilson Benge as Pedestrian (uncredited)

Arnold Bennett as Footman (uncredited)

Florence Benson as Pedestrian (uncredited)

Arthur Blake as Butler (uncredited)

Lillian Bronson as Lady (uncredited)

Leonard Carey as Guide (uncredited)

Alec Craig as Turnkey (uncredited)

Antonio D'Amore as Cab Man (uncredited)

Wynne Davis as Singing Flower Vendor (uncredited)

Frank Eldredge as Lamplighter (uncredited)

Maude Fealy as Bit Part (uncredited)

Al Ferguson as Bit Part (uncredited)

Helen Flint as Franchette (uncredited)

Gibson Gowland as Servant (uncredited)

Gary Gray as Boy in Park with Nanny (uncredited)

Roger Gray as Stranger (uncredited)

Bobby Hale as Lamplighter (uncredited)

Joy Harington as Miss Laura Pritchard (uncredited)

Tom Hughes as Pedestrian (uncredited)

Jack Kirk as Cab Driver (uncredited)

Pat Malone as Policeman (uncredited)

Al Masiello as Cab Man (uncredited)

Charles McNaughton as Wilkins (uncredited)

Terry Moore as Paula Alquist, Age 14 (uncredited)

Clive Morgan as Bit Part (uncredited)

Georgie Nokes as Boy (uncredited)

Joseph North as Policeman (uncredited)

Tarquin Olivier as Boy in Museum (uncredited)

Elsie Prescott as Bit Part (uncredited)

Joseph Romantini as Cab Man (uncredited)

Syd Saylor as Baggage Clerk (uncredited)

Arthur Stone as Durkin (uncredited)

Alix Terry as Girl (uncredited)

Morgan Wallace as Fred Garrett (uncredited)

Eric Wilton as Valet (uncredited)

Eustace Wyatt as Budge (uncredited)

Katherine Yorke as Bit Part (uncredited)

Phyllis Yuse as Young Girl (uncredited)

Guy Zanette as Cab Man (uncredited)