Brian Desmond Hurst Director Terry-Thomas Reggie Blake Actor Janette Scott Fran Blake Actor Wilfrid Hyde-White Charles Dunton Actor Nicole Maurey Simone Rolfe Actor Billy Lambert Baby Actor Joan Sims Hortense Actor Kenneth Connor Harold Actor Meier Tzelniker Felix McGregor Actor Jan Englund Screenwriter Robert Lowell Screenwriter Stanley Mann Screenwriter Hal E. Chester Producer John Addison Original Music Edward Scaife Cinematographer Max Benedict Film Editing Peter Proud Art Director