Myrna

From Tardis Wiki, the free Doctor Who reference

Myrna was a New York dancer who worked alongside Tallulah and Lois at the Laurenzi in 1930. She and Lois teased Tallulah about her ongoing relationship with Laszlo. She and the dancer worked on such performances as "My Angel Put the Devil in Me". After witnessing the Pig Laszlo across the stage, she heard Martha Jones scream in the prop room. (TV: Daleks in Manhattan)