 He had a sympathetic role in "Casablanca" (1942), as a young refugee trying and failing to earn money via gambling in order to purchase travel visas for him and his wife; he is helped by Humphrey Bogart.Warners begin to give Dantine more sizeable roles in their "A" films, "Watch on the Rhine" (1943), "Edge of Darkness" (1943), playing a Nazi officer, again fighting Errol Flynn, and "Mission to Moscow" (1943), playing a sympathetic Russian.Dantine's good looks caused him to receive a lot of fan mail and, in the words of one profile, "the studio began to realise it had something else besides a Hollywood Hitlerite on its hands".