The Ladykillers is a 1955 British black comedy crime film directed by Alexander Mackendrick for Ealing Studios. It stars Alec Guinness, Cecil Parker, Herbert Lom, Peter Sellers, Danny Green, Jack Warner, and Katie Johnson as the old lady, Mrs. Wilberforce.

Alexander Mackendrick was an American-born director and professor, long based in Scotland. He was born in Boston, Massachusetts, and later moved to Scotland. He began making television commercials before moving into post-production editing and directing films, most notably for Ealing Studios where his films include Whisky Galore! (1949), The Man in the White Suit (1951), The Maggie (1954), and The Ladykillers (1955).