Burt Lancaster as Steve Buchanan

Dorothy McGuire as Ann Winslow

Edmund Gwenn as William "Skipper" Miller

Millard Mitchell as "Mac" McIntire

Minor Watson as Judge O'Neil

Howard St. John as Chief

Hugh Sanders as Thad Mitchell

James Millican as Olie Johnson

George Adrian as Carlos (uncredited)

Rico Alaniz as Carlos (Spanish Interpreter) (uncredited)

Polly Bailey as Woman (uncredited)

Jean Bane as Cashier (uncredited)

Gilbert Barnett as Boy (uncredited)

Edward Biby as Man in a Hallway (uncredited)

Robert Boon as Dutchman (uncredited)

Paul Bradley as Man (uncredited)

Howland Chamberlain as Duff (uncredited)

Perdita Chandler as Cashier (uncredited)

Noble 'Kid' Chissell as Observer on a Sidewalk (uncredited)

Jack Daly as Court Clerk (uncredited)

Ray De Ravenne as Man (uncredited)

Victor Desny as Russian Interpreter (uncredited)

Arthur Dulac as Man (uncredited)

Norman Field as Bailiff (uncredited)

Robert Foulk as Policeman (uncredited)

Curt Furberg as German Man (uncredited)

Jon Gardner as Jonny (uncredited)

George Gastine as Waiter (uncredited)

Dick Gordon as Diplomat (uncredited)

Fred Graham as Man Slugged by Steve in Prologue Montage (uncredited)

Herschel Graham as Cafeteria Patron (uncredited)

Billy Gray as Mickey (uncredited)

Sherry Hall as Cigar Store Clerk (uncredited)

Helene Hatch as Maggie (uncredited)

Whitey Haupt as Boy (uncredited)

Timmy Hawkins as Boy (uncredited)

John Hiestand as Narrator (voice) (uncredited)

Harry Hines as News Vendor (uncredited)

Kathleen Hughes as Secretary (uncredited)

Larry Keating as James F. Lee (Skipper's Attorney) (uncredited)

Kenner G. Kemp as Passerby / Nightclub Patron (uncredited)

Jeanne Lafayette as Diplomat (uncredited)

Mike Lally as George (Treasury Agent) (uncredited)

Eddie Lee as Chinese Interpreter (uncredited)

George Lee as Chinese Interpreter (uncredited)

Rudy Lee as Boy (uncredited)

Mickey Little as Boy (uncredited)

Louise Lorimer as Art Store Proprietress (uncredited)

Wilbur Mack as Newspaper Buyer (uncredited)

George Magrill as Carnival Barker (uncredited)

Edwin Max as Mousie (uncredited)

George McDonald as Willie (uncredited)

Bill McKenzie as Jimmy (uncredited)

Joe McTurk as Gus (uncredited)

Russell Meeker as Club Patron (uncredited)

Thomas Menzies as Boy (uncredited)

Patrick Miller as Boy (uncredited)

Billy Nelson as Taxi Driver (uncredited)

Erik Nielsen as Boy (uncredited)

Barry Norton as Restaurant Diner (uncredited)