[9] She starred in a number of B movies, including The Mummy's Hand (1940), Slightly Tempted (1940), Horror Island (1941), Treat 'Em Rough (1942), and King of the Cowboys (1943), and played smaller parts in A pictures, such as the "first cigarette girl" in Ninotchka (1939).

After marrying director Henry Koster on October 29, 1942,[10][11][12] a bust of Moran was featured in every picture her husband directed.

After her marriage, Moran retired from acting and appeared in only one other film; a documentary made in 2000.

Films also used "silhouettes, cameos, paintings, and even photographs" of Moran.

[2] On October 24, 2002, only one day after her 84th birthday, Moran died of complications from injuries she had suffered in a car accident on August 26, 2002.