'Diana Macnamara' was Charles Hawtrey's stunt double in the film. Diana also played the role of Princess Stephanie. No ad-libbing was allowed during the making of a "Carry On..." film, however Jim Dale was allowed to ad lib once during the film. The director, Gerald Thomas allowed three rehearsals on the set. The first "Carry On..." film to include a non-British player. Dany Robin was French and actually stayed in England following the completion of the film. Jim Dal ...[Read Story ]