The Philadelphia Story
Howard made What a Life (1939) with Betty Grable and Disputed Passage (1940) with Dorothy Lamour. The latter was a flop at the box office, and Paramount began to cool on Howard.
Universal borrowed him to play a key role in Green Hell (1940). MGM used him in The Man from Dakota (1940), supporting Wallace Beery, and The Philadelphia Story (1940), where he played the fiancé of Katharine Hepburn, competing for her amorous attentions with characters played by Cary Grant and James Stewart. It remains one of his best-known films.
Back at Paramount, Howard was top-billed in Texas Rangers Ride Again (1940). Universal borrowed him to play the leading man in The Invisible Woman (1941) with Barrymore and Virginia Bruce.
At Paramount, he supported Basil Rathbone in The Mad Doctor (1941), then Universal gave him the lead in Tight Shoes (1941). At RKO, he supported Adolphe Menjou and Gloria Swanson in Father Takes a Wife (1941), then at Columbia he was Joan Blondell's leading man in the farce comedy Three Girls About Town (1941).
Howard was top billed in Republic Pictures' A Tragedy at Midnight (1942). At Columbia, he had the starring role in The Man Who Returned to Life (1942), and Submarine Raider (1942), then he did Isle of Missing Men (1942) for Monogram Pictures.
Howard wanted to join the navy, but there was a delay after he signed a contract with 20th Century Fox, who put him in The Undying Monster (1942), in which he was third billed.