- "I’m so excited to join the HTGAWM family as a series regular. Working with this incredible cast and crew has been amazing and I’m thrilled to see how Tegan is going to shake things up this season."
- —Amirah Vann to Deadline regarding her promotion to main cast.
Vann is a native of Queens, New York. Her father is African American, Georgia, and her mother is Puerto Rican. She was a background dancer at an event featuring Tracy Morgan for her debut as a performer at any level. She studied acting at Fordham University before heading to the graduate program at NYU Tisch. On stage, she worked with The Continuum Company and traveled to Italy to perform in A Midsummer Night's Dream. She performed off-Broadway in Laughing Pictures, Trouble in Mind, The Mountaintop and other productions.
She is best known for her role as Ernestine in the WGN series Underground. She had previously guest starred in notable series such as Amazon's Mozart in the Jungle and HBO's Girls. After appearing initially as a recurring actress in the fourth season of How to Get Away with Murder, on July 18, 2018, it was announced that she was promoted to series regular for Season 5.