Ronald Colman as Anthony John

Signe Hasso as Brita

Edmond O'Brien as Bill Friend

Shelley Winters as Pat Kroll

Ray Collins as Victor Donlan

Philip Loeb as Max Lasker

Millard Mitchell as Al Cooley

Joe Sawyer as Pete Bonner

Charles La Torre as Stellini

Whit Bissell as Dr. Stauffer

John Drew Colt as Stage Manager

Peter M. Thompson as Asst. Stage Manager

Elizabeth Dunne as Gladys

Alan Edmiston as Rex

Art Smith as Wigmaker

Sid Tomack as Wigmaker

Wilton Graff as Dr. Mervin

Harlan Briggs as Oscar Bernard

Claire Carleton as Waitress

Betsy Blair as Girl in Wig Shop

Janet Warren as Girl in Wig Shop

Marjorie Woodworth as Girl in Wig Shop

Guy Bates Post as Actor in "Othello"

Fay Kanin as Actress in "Othello"

David Bond as Actor in "Othello"

Arthur Gould-Porter as Actor in "Othello"

Leslie Denison as Actor in "Othello"

Frederick Worlock as Actor in "Othello"

Virginia Patton as Actress in "Othello"

Boyd Irwin as Actor in "Othello"

Thayer Roberts as Actor in "Othello"

Percival Vivian as Actor in "Othello" and "A Gentleman's Gentleman"

Elliott Reid as Actor in "A Gentleman's Gentleman"

Mary Young as Actress in "A Gentleman's Gentleman"

Georgia Caine as Actress in "A Gentleman's Gentleman"

William Bailey as Detective (uncredited)

Harry Bannister as Second Actor (uncredited)

Joseph E. Bernard as Joe (Landlady's Husband) (uncredited)

Reginald Billado as Reporter (uncredited)

Laura K. Brooks as Dowager at Party (uncredited)

Paddy Chayefsky as Photographer (uncredited)

Alexander Clark as Barry (uncredited)

Angela Clarke as Lucy (uncredited)

Heinie Conklin as Second Bartender (uncredited)

Curt Conway as Reporter (uncredited)

Russ Conway as Reporter (uncredited)

Leander De Cordova as Audience Member (uncredited)

Nick Dennis as Stagehand (uncredited)

John Derek as Police Stenographer (uncredited)

Joann Dolan as Ellen (uncredited)

George Douglas as Audience Member (uncredited)

Watson Downs as Bootmaker (uncredited)

Fernanda Eliscu as Landlady (uncredited)

Franklyn Farnum as Party Guest (uncredited)

Maude Fealy as Minor Role (uncredited)

Bess Flowers as Theater Patron (uncredited)

Nina Gilbert as Minor Role (uncredited)

Thomas Gomez as Cassio (voice) (uncredited)

Dick Gordon as Party Guest (uncredited)

Beatrice Gray as

Ethyl May Halls as

Fred Hoose as

Doretta Johnson as

Charles Jordan as

Robert Emmett Keane as

Hazel Keener as

James Khan as

Kay Lavelle as

Elmo Lincoln as

James Linn as

Phil MacKenzie as

Barry Macollum as

Janet Manson as

Kathy Marlowe as

Thomas Martin as

Joyce Mathews as

Don McGill as

Walter McGrail as

Hal Melone as

Carl Milletaire as

Howard M. Mitchell as

Harry Hays Morgan as

Jack Perrin as

Albert Pollet as

Joey Ray as Boyer (uncredited)

Yvette Reynard as

Frank Richards as

Bruce Riley as

Buddy Roosevelt as

Sarah Selby as

Jamesson Shade as

George Sherwood as

Pietro Sosso as

Michael Stark as

Cedric Stevens as

Diane Stewart as

Mike Stokey as

Wayne C. Treadway as

John Valentine as

Mary Worth as

John Morgan as