Now, Voyager
In "Now, Voyager" (1942), he played a wealthy widower engaged to Bette Davis's character. That was made by Warners who used Loder in "Gentleman Jim" (1942) as Errol Flynn's love rival. Warners gave him a then-rare lead in a B, "The Gorilla Man" (1943), "The Mysterious Doctor" (1943), "Murder on the Waterfront" (1943), and "Adventure in Iraq" (1943).