McCrindle began his acting career in 1937 starring in minor roles in UK Television.
From 1946 to 1951 he played the role of Jock Anderson in Dick Barton – Special Agent.
In 1951 he starred in his first film in the USA, The House in the Square.
From there his acting career took off.
He then did five more films: I Believe in You (1952), The Kidnappers (1953), Trouble in the Glen (1954), Geordie (1955) and Depth Charge (1960).
From 1962 to 1974 he went to television acting.
In 1976 he was cast as General Dodonna in the first Star Wars film.
He went back to minor roles on TV, including the role of the eccentric veterinarian Ewan Ross on All Creatures Great and Small.
Two space cadets crash-land on a desert planet, where an evil wizard seeks the ultimate power to take over the world. Although the movie borrows some background footage from Star Wars, the plot is mostly unrelated.
Great Britain, 1944, during World War II. Relentlessly pursued by several MI5 agents, Henry Faber the Needle, a ruthless German spy in possession of vital information about D-Day, takes refuge on Storm Island, an inhospitable, sparsely inhabited island off the coast of northern Scotland.
Adolescent love can be difficult at the best of times, but Donal and Sally have special problems – problems which alarm their families and the instructors at Strathvale Centre.
Princess Leia is captured and held hostage by the evil Imperial forces in their effort to take over the galactic Empire. Venturesome Luke Skywalker and dashing captain Han Solo team together with the loveable robot duo R2-D2 and C-3PO to rescue the beautiful princess and restore peace and justice in the Empire.
Holmes and Dr. Watson take on the case of a beautiful woman whose husband has vanished. The investigation proves strange indeed, involving six missing midgets, villainous monks, a Scottish castle, the Loch Ness monster, and covert naval experiments.