Doris Day as Ethel S. 'Dynamite' Jackson

Ray Bolger as Sam Winthrop Putnam

Claude Dauphin as Philippe Fouquet

Eve Miller as Marcia Sherman

George Givot as François

Paul Harvey as Secretary Robert Sherman

Herbert Farjeon as Joshua Stevens

Wilson Millar as Sinclair Wilson

Raymond Largay as Joseph Welmar

John Alvin as Tracy

Jack Lomas as Cab Driver

Eugene Borden as

Dee Carroll as

Mildred Carroll as

Jean De Briac as

Stuart Hall as Theatre Patron (uncredited)

Donald Kerr as

Maurice Marsac as

Nestor Paiva as

Veronica Pataky as

Joe Ploski as