Gerald Thomas Director Sid James Sidney Bliss Actor Kenneth Williams Percival Snooper Actor Hattie Jacques Sophie Plummett Actor Charles Hawtrey James Bedsop Actor Joan Sims Esme Crowfoot Actor Terry Scott Terence Philpot Actor Richard O'Callaghan Bertrum Muffet Actor Bernard Bresslaw Gripper Burke Actor Jacki Piper Sally Martin Actor Imogen Hassall Jenny Grubb Actor Julian Holloway Adrian Actor Patsy Rowlands Miss Dempsey Actor Patricia Franklin Mrs Dreery Actor Bart Allison Grandpa Grubb Actor Dorothea Phillips Beatrice Grubb Actor Joan Hickson Mrs Grubb Actor Talbot Rothwell Screenwriter Peter Rogers Producer Ernest Steward Cinematographer Alfred Roome Film Editing Lionel Couch Art Director Eric Rogers Music