Director Guy Hamilton, executive producer Jack Hawkins, and producers Peter O'Toole and Anthony Perry had their names removed from the credits in protest at the censorship of the film.
Ahead of its time with the character Hector, who is openly gay. Also, there are two women holding each other, obviously gay also. These characters are basically part of the gang, or friends of them, and aren't judged negatively for their lifestyle, which is the same as the straight characters.
Eddie Albert and Katherine Woodville would become in-laws in 1979 when Katherine married Eddie's son, Edward Albert.
Similar to an earlier movie centering on a girl with a rich father titled BEAT GIRL, which also featured Oliver Reed and took part in English underground Beatnik clubs inspired by the Beat American culture.