She also played the sister of Louise Albritton in Son of Dracula, which also features Lon Chaney Jr. as Dracula. It's a well made movie about Albritton's character marrying Count Dracula just to turn into a vampire herself, she's very much into the occult. This stylish thriller explores a mere mortal's morbid desire to join the undead. Below is a picture of Ankers and Albritton conversing.
She also plays with Lon Chaney Jr. in Ghost of Frankenstein, which features Bela Lugosi as "Ygor." She is the daughter of Ludwig Von Frankenstein, one of Henry Frankenstein's sons. This movie picks up where Son of Frankenstein, which stars Basil Rathbone, leaves off. Below is a picture of the cast.
She also plays in two Sherlock Holmes adventures starring Basil Rathbone and Nigel Bruce, The Voice of Terror, and The Pearl of Death, noted below.