That Darn Cat! is a 1965 American Walt Disney Productions thriller comedy film directed by Robert Stevenson and starring Hayley Mills (in her last of the six films she made for the Walt Disney Studios) and Dean Jones (starring in his first film for Disney) in a story about bank robbers, a kidnapping and a mischievous cat. The film was based on the 1963 novel Undercover Cat by Gordon and Mildred Gordon. The title song was written by the Sherman Brothers and sung by Bobby Darin. Released on 12/2/1