Don Ameche's first film for MGM. He had made a screen test there in 1935 and was rejected, but was signed the following year by 20th Century-Fox.
The nightclub singer who performs "Jealous" is most certainly not Peggy Lee as is sometimes noted. The singer is played by Julie Gibson.
Van Heflin's first film for MGM after starting out at RKO in 1937. John Carroll was originally cast as Elliott Morgan before being replaced by Heflin, according to a contemporary article in The Hollywood Reporter.