Claim: Wide Open Town starred Leonardo DiCaprio and Russel Crowe and debuted in 1963.
Evidence: The film stars William Boyd, Russell Hayden, Andy Clyde, Evelyn Brent, Victor Jory, Morris Ankrum and Cara Williams. 
William Boyd
Russell Hayden
Andy Clyde
Evelyn Brent
Victor Jory
Morris Ankrum
Cara Williams 
The film was released on August 8, 1941, by Paramount Pictures.