text: Derek Francis (1923–1984) (6) played a wide range of supporting characters, from country yokels (Camping, Henry) to authority figures (Doctor, Matron) to clergymen (Loving, Abroad).
  Brian Osborne (1940–2021) (6) appeared in almost all of the later films in support roles (from Matron to England).  Additionally, Osborne appeared in 7 episodes of the Carry On Laughing TV series.
  Ian Wilson (1901–1987) (6) was a diminutive actor who appeared in Cabby, plus memorable small roles in Jack (alongside Jim Dale), and the messenger in Cleo who has "come hotfoot from Rome".  He also appeared, uncredited, in Constable, Regardless, and Cruising.
  Amelia Bayntun (1919–1988) (5) was frequently cast in small roles (almost a bit part in Convenience), notably as Joan Sims' busybody mother in Camping
  Tom Clegg (1927–1996) (5), usually in minor roles as 'heavies', but played a major role in Screaming as the Frankenstein's Monster parody, Oddbod.
  Alexandra Dane ( born 1940) (5), initially had an uncredited role in Doctor she then had larger roles in sexier roles like Up the Khyber and Again Doctor. Other credited roles she had were in Loving and Behind.
  Ed Devereaux (1925–2003) (5) was an Australian-born actor who appeared in Sergeant, Nurse, Jack, Regardless, and Cruising.
  Patrick Durkin (1936–2009) (5) gave his powerfully built support in Sergeant, Nurse, Spying, and Dick.  His role in Cowboy was uncredited.