The Fenn Street Gang 1971 "Please Sir!" film), David Barry, Peter Denyer and Liz Gebhardt. Leon Vitali replaced Malcolm McFee as Peter Craven during the first series, although Malcolm took this role back for the second and third series. Peter Denyer (Dennis Dunstable) and Liz Gebhardt (Maureen Bullock) were absent from the third (and final) series. John Alderton (Mr Hedges, their form-master when they starred in "Please Sir!") guest-appeared in 3 episodes of the first series of "The Fenn Street Gang" and the first two episodes from the final series of "Please Sir!", which ran alongside "The Fenn Street Gang" in transmission dates. Richard
John Alderton then transferred to another top-rated ITV series when he played Thomas Watkins, the chauffeur, in "Upstairs, Downstairs", opposite his wife, Pauline Collins. They had a daughter (the actress Kate Alderton) and two sons and also acted together in spin-off series, "Thomas & Sarah", and another sitcom, "No, Honestly", as well as in "Wodehouse Playhouse" (1975–78), a series that featured adaptations of short stories by P. G. Wodehouse (primarily the "Mr. Mulliner" stories.) In the meantime, he appeared on the big screen against-type as 'Friend' in John Boorman's cult sci-fi film "Zardoz" (1974), before returning to more familiar territory, as 1930s