Unexpected Father (1939)

Jimmy Hanley learns that his former dancing partner has been killed, leaving a baby boy, so he takes baby Sandy to live with him and his roommate Boris Bebenko. Theater manager Allen Rand threatens to fire Jimmy for neglecting his work, but Jimmy's girlfriend Dianna squares things by going to dinner with Rand over Jimmy's objections. Sandy catches measles and the quarantine causes Jimmy and Boris to miss a big audition.