Born and raised in the Grimsby area. Wymark View is named after him.
Children: Jane Wymark (b. 31 October 1952), Rowan Wymark ( b. 1954), Dominic Wymark (b. 1960), Tristram Wymark (b. 1962).
Collapsed onstage at the Devonshire Park Theatre, Eastbourne in October 1969, due to a severe nasal hemorrhage.
Considered for the part of "Theodore Maxible" (played by Marius Goring) in "Doctor Who" (1963): Evil Of The Daleks".
Died of a heart attack three days before opening in an Australian run of Anthony Shaffer's "Sleuth", in which he was to play author Andrew Wyke, at Melbourne's Playbox Theatre in October 1970. His body was discovered by the actor John Fraser.
He died just as the film he was currently appearing in, Cromwell (1970), was about to be released in the U.S.