Teresa Mary "Tessie" O'Shea (13 March 1913 – 21 April 1995) was a Welsh entertainer and actress. She won the Tony in 1963 for playing the part of the fish and chips peddler "Ada Cockle" in the Broadway musical, The Girl Who Came to Supper. O'Shea starred in a short-lived British sitcom As Good Cooks Go, which ran from 1969 to 1970. She appeared in London Town, The Russians Are Coming, the Russians Are Coming, The Blue Lamp, and Bedknobs and Broomsticks. She regularly appeared on BBC TV's long running variety show, The Good Old Days.