David Niven as B.G. Bruno

Vera-Ellen as Janet Jones

Cesar Romero as John Frost

Gordon Jackson as Paul Tracy

Bobby Howes as Charlie

Diane Hart as Mae

Barbara Couper as Madame Amanda

Henry Hewitt as Dodds

Gladys Henson as Mrs. Urquhart

Hugh Dempster as Bates

Sandra Dorne as Betty

Joyce Carey as Bruno's Secretary

John Laurie as Jonskill

Wylie Watson as Stage Door Keeper

Joan Heal as Phyllis Gardiner

Hector Ross as Harold

Ambrosine Phillpotts as Lady Martin

Molly Urquhart as Madame Amanda's Assistant

David Lober as Principal Dancer

Jonathon Lucas as Principal Dancer

Jack Billings as Principal Dancer

Douglas Scott as Principal Dancer (as Douglas Scott and his Debonair Boys)

Rolf Alexander as Principal Dancer

Ian Stuart as Principal Dancer

Leon Biedkyski as Principal Dancer

Ernest Blyth as Creditor (uncredited)

Marianne Burwood as Blonde Girl (uncredited)

Archie Duncan as Police Inspector (uncredited)

John Harvey as Police Sergeant (uncredited)

Kay Kendall as Secretary (uncredited)

Arthur Mullard as Stage-hand (uncredited)

Reg Thomason as Chorus Boy (uncredited)