Question: Who was the director of the 1976 British comedy film featuring the actor best known for his role as Lofty?

Context paragraphs:
Queen Kong: Queen Kong is a 1976 British comedy adventure film spoofing "King Kong".  The film was never released theatrically in the United Kingdom, due to legal action by Dino De Laurentiis, producer of the 1976 "King Kong" remake and RKO copyright holder of King Kong at the time.  It got a limited release in Italy and Germany.  The film has since resurfaced on DVD.  It was released on 10 December 1976 in West Germany.

Meetings, Bloody Meetings: Meetings, Bloody Meetings is a 1976 British comedy training film that stars John Cleese as a bumbling middle manager.  The film was written by John Cleese and Antony Jay, and was produced by Cleese's production company Video Arts.  They updated and rereleased the film again in 2012  with British comedian Will Smith starring as the central character in charge of a meeting.  John Cleese appears in the new version, this time in the role of the judge in the dream sequence.

The Bawdy Adventures of Tom Jones: The Bawdy Adventures of Tom Jones is a 1976 British comedy film directed by Cliff Owen and starring Nicky Henson, Trevor Howard and Terry-Thomas.  It is an adaptation of the eighteenth century novel "Tom Jones" by Henry Fielding, which follows the main character in a new series of misadventures.

Bugsy Malone: Bugsy Malone is a 1976 British musical gangster comedy film, directed by Alan Parker and featuring only child actors. Set in New York City, the film is loosely based on events in New York and Chicago from the early 1920s to 1931 during Prohibition, specifically the exploits of real-life gangsters like Al Capone and Bugs Moran, as dramatized in cinema.  Parker lightened the subject matter considerably for the children's market; in the U.S. the film received a G rating.

Desert Mice: Desert Mice is a 1959 British comedy film featuring Alfred Marks, Sid James, Dora Bryan, Irene Handl, John Le Mesurier and Liz Fraser.  A group of ENSA entertainers with the British army in the North Africa desert during the Second World War thwart a Nazi plan.  The title is a play on the Desert Rats.

Don Estelle: Don Estelle (22 May 1933 – 2 August 2003) was a British actor and singer best known as Lofty in "It Ain't Half Hot Mum".

The Office Party: The Office Party is a 1976 British comedy film directed by David Grant and starring Alan Lake, David Rayner and Chris Gannon.  It depicts the misadventures of staff enjoying an office party.

Not Now, Comrade: Not Now, Comrade is a 1976 British comedy film directed by Ray Cooney.  It was a follow-up to the similarly named 1973 farce "Not Now, Darling".  It featured a number of British comedy actors of the era including Leslie Phillips, Windsor Davies, Don Estelle and Ian Lavender.  The film was shot at Elstree studios, and was intended as the second in a series of ‘Not Now’ movies, but box office returns for the film, unlike those of its predecessor, were disappointing.

The Ups and Downs of a Handyman: The Ups and Downs of a Handyman is a 1976 British comedy film, directed by John Sealey and starring Barry Stokes, Sue Lloyd and Bob Todd.  Its alternative titles at various times have been "Confessions of a Handyman", "Confessions of an Odd-Job Man" and "The Happy Housewives".

The Likely Lads (film): The Likely Lads is a 1976 British comedy film directed by Michael Tuchner, starring James Bolam and Rodney Bewes.  It is a spin-off from "Whatever Happened to the Likely Lads? ", although it shares its title with the earlier 1960s British television series "The Likely Lads", of which "Whatever" was the sequel.

Supporting paragraphs: Not Now, Comrade Don Estelle
Answer: Ray Cooney