Filming took place in January 1972 in the grounds of George Harrison's house..
Nancie Wait (Christa Geisler) received an "And Introducing" credit.
Roger Avon (Rathbone) was dubbed by David Graham.
Daphne Anderson (Mrs. Howard) was dubbed by a well known voice actress.
John Le Mesurier (Mr. Wainwright) and Rosalie Crutchley (Lady Tryke) received "with guest appearances by" credits.
Opening credits: All characters and events in this film are fictitious. Any similarity to actual events or persons living or dead is purely coincidental.