The Runaway Bus (also known as Scream in the Night) is a 1954 British comedy film produced, written and directed by Val Guest. It stars Frankie Howerd, Margaret Rutherford and Petula Clark and an ensemble cast of character actors in a story about a bus caught in fog while a gang of crooks tries to carry off a heist. It was the film debut of Belinda Lee.

Plot

When heavy fog wreaks havoc with the plans of air travellers throughout southern England, outspoken Cynthia Beeston, a forceful proponent of "Positive Thought", insists on being taken from London Airport to Blackbushe Airport, where she might be able to fly to Dublin.