 In 1942, Hal B. Wallis (qv) had just signed a new contract with  Warner Brothers, which stipulated that he make four films a year for  the next four years. This film was one from his 1942 slate. Wallis  actually made six films in that year, the others being  _Casablanca (1942)_ (qv), _Desperate Journey (1942)_ (qv),  _Air Force (1943)_ (qv), _Princess ORourke (1943)_ (qv) and  _Watch on the Rhine (1943)_ (qv).