Cleo Laine made her acting debut in the 1940 adventure fantasy film ‘The Thief of Bagdad,’ directed by Ludwig Berger, Michael Powell, and Tim Whelan. The film was praised by critics and was a commercial success, grossing over $1 million at the box office. In 1954, she played the role of a singer in the British film noir crime drama film ‘Murder by Proxy,’ directed by Terence Fisher. The film holds a 6.2 out of 10 rating on IMDb. She next starred in the 1961 British thriller film ‘The Third Alibi’ directed by Montgomery Tully. The film was given 2 out of 4 stars by TV Guide. That same year, she also appeared in the British romantic drama film ‘The Roman Spring of Mrs. Stone,’ directed by José Quintero. The film was based on Tennessee Williams’s 1950 novel of the same name. She was next seen in television films such as ‘Paasparade’ (1964), ‘I Gotta Shoe, or Cindy-Ella’ (1966), and ‘The Three Princes’ (1968). She last appeared in the 2000 Gillies MacKinnon-directed British-American television film ‘The Last of the Blonde Bombshells’ where she played the role of ‘Gwen.’