Rentadick is a 1972 British comedy film, directed by Jim Clark and starring James Booth, Richard Briers, Julie Ege, Ronald Fraser and Donald Sinden.

[1][2] It is a spoof spy/detective picture, the plot of which involves attempts to protect a new experimental nerve gas.

The original script for the film was written by Graham Chapman and John Cleese, both of Monty Python.

Sherrin made an appointment with Frank Poole, who ran filmmaking for Rank and that company agreed to finance.

Clark said he did not "remember the original script" but "in any case I wasn’t going to flounce out of this since I was keen to return to directing and found most of the revamped film amusing.

"[5] The script was originally called Rentasleuth but was retitled on the first day of shooting to Rentadick which Clark felt was a terrible title.

[10] The Monthly Film Bulletin wrote: "The blessed relief of total insanity in the person of Spike Milligan's Arab Customs official ("Any fish derivatives?

"[11] Leslie Halliwell said: "Ineffective crazy comedy which never takes shape, preferring to aim barbs of satire in all directions.