Anecdotes

Made by Danziger Productions, Ltd. According to writer Mark Grantham (who received credit as "Norman Armstrong", producers Edward J. Danziger and Harry Lee Danziger "decided to make up fictitious on-screen credits for everybody involved", so as "to disguise their involvement" in the film.

Bowater House in Knightsbridge, shown as Robinson Enterprises office block, was built in 1958 and demolished in 2006. It was located at the junction of Knightsbridge and Sloan St in London, SW1.

Actor Brian Cobby was also a voice artist and from 1985 to 2007, became the first male voice for BT's telephone Speaking Clock.

Jane's house previously appeared as: the house where most of the film is set in "The Traitor" [1957]; the hotel used by the lovers in "The Rough & The Smooth" [1959]; the tennis club in "School For Scoundrels" [24/3/60] and would appear again as: Rod Taylor's training ground in "The Liquidator" [1965]; the Eatons' house in "The Devil Rides Out" [1968]; "The Elizabethan Hotel" in The Avengers S7 Episode 20 "Wish You Were Here" [12/2/69]; Paul Kirstner's house in Randall & Hopkirk (Deceased) Episode 7 "Murder Ain't What It Used To Be" [2/11/69]; "Merstham Manor" in Randall & Hopkirk (Deceased) Episode 9 "The House on Haunted Hill" [16/11/69]; garden for croquet in Department S 2/8 "The Perfect Operation" [26/11/69]; Mrs Howe's house in Randall & Hopkirk (Deceased) Episode 14 "Who Killed Cock Robin?" [21/12/69]; the house named "Marling Dale" Byrom Blain is chauffeured to at the start of the episode in Department S 2/14 "The Bones of Byrom Blain" [28/1/70]; the house used as base by Carter and Drieker in Department S 2/19 "A Ticket to Nowhere" [11/3/70]; the house used by Ralph Bates & Judy Geeson in Fear In The Night [1972]; the restaurant visited by Strand in Special Branch S4 Episode 12 "Diversion" [2/5/74]; Green's house in The Professionals 2/5 "In The Public Interest" [4/11/78] and the honeymoon hotel in Hammer House of Mystery & Suspense episode 1 "Mark of The Devil" [5/9/84]. So update the locations.