42nd Street: A Broadway producer sends in an understudy when his star twists her ankle. Gold diggers of 1937: Rosmer Peck is an insurance agent with musical ambitions who becomes romantically involved with Norma Perry, a showgirl who has given up spangles for a stenographer's pad. Footlight parade: Cagney stars as Chester Kent, a diligent musical comedy director who is continually warding off snoopers hired by his competitors to steal his ideas. Dames:...