Eighty-year-old Edward Le Veque, who appeared as the prostitute's customer, was the last surviving member of the original Keystone Cops.
Director Michael Winner intended to include Hedy Lamarr among the huge list of guests for the movie, but she couldn't be traced.
Veteran actors Don Ameche and Cesar Romero were approached for cameo roles but were unavailable. They are still sometimes erroneously credited as having appeared in the movie.
Final theatrical feature film of actor Rudy Vallee who played an autograph hound. He then did a bit of television work after this cinema movie.
Bob Harks: Uncredited, as a theater patron. He also appeared in the same year's Mel Brooks film 'Silent Movie' (1976) where he played a hospital visitor also appearing uncredited. In 1976, this bit player / day player appeared in over 50 film and television productions.
George Holmes: Uncredited, as an usher. He also appeared uncredited as an audience member in the same year's 'Silent Movie' (1976) directed by Mel Brooks and in the same year's other major dog movie, 'The Shaggy D.A.' (1976), where he also appeared uncredited as a pedestrian.
Jack Berle: Uncredited, as a party guest. This was one of the ten feature films he appeared in that year. He also appeared uncredited as an audience member in 'Silent Movie' (1976) directed by Mel Brooks and as an uncredited official in 'The Shaggy D.A.' (1976). He also appeared in some television productions that year.