The Brave Don't Cry (1952)
The Brave Don't Cry is a 1952 British drama film directed by Philip Leacock and starring John Gregson, Meg Buchanan and John Rae. The film depitcts the events of September 1950 at the Knockshinnoch Castle colliery in Scotland, where 129 men were trapped by a landslide (see Knockshinnoch Disaster September 1950). It was shot at Southall Studios and was also known by the alternative title Knockshinnoch Story. The filmmakers used actors from the Glasgow Citizen's Theatre.
More at Wikipedia.