Lady and the Tramp is a 1955 American animated musical romance film produced by Walt Disney and released to theaters on June 22, 1955 by Buena Vista Distribution. The 15th Disney animated feature film, it was the first animated feature filmed in the CinemaScope widescreen film process. Based on "Happy Dan, The Cynical Dog," by Ward Greene, Lady and the Tramp tells the story of a female American Cocker Spaniel named Lady who lives with a refined, upper-middle-class family and a male stray mutt called the Tramp. When the two dogs meet, they embark on many romantic adventures and fall in love. Directed by Clyde Geronimi, Wilfred Jackson, and Hamilton Luske, it was the first Disney film to star the voice of Dallas McKennon.