Alexander Mervyn Archdale (26 November 1905 – 13 May 1986) was a British actor, manager and theatre producer.

[5] In 1937 he acted in Jeffrey Dell's play Night Alone at the Embassy Theatre in London, with Richard Bird, Julian Somers, and Anna Konstam in the cast.

B. Priestley's play Time and the Conways at the Duchess Theatre in London, with Jean Forbes-Robertson, Raymond Huntley, Barbara Everest, Mervyn Johns, Helen Horsey, Eileen Erskine, Wilfred Babbage, Molly Rankin, Rosemary Scott, and Irene Hentschel in the cast.

[8][9] He was Sir Charles in Newsfront, a 1978 film directed by Phillip Noyce, which tells the story of rival companies making newsreels in the pre-television Australia of the late 1940s and 1950s.

[10] He played the part of retired Professor B. C. Simmonds in the 1981 Australian thriller The Killing of Angel Street, which won an Honourable Mention at the Berlin International Film Festival in 1982.