Jen Tullock is an American actress and writer. She is from Louisville, Kentucky. After graduating high school, she studied at Millikin University and graduated in 2006 with a BFA in Acting. Tullock moved to Brooklyn, New York in 2007 where she worked as a theatre actress and writer. She also practiced improv, performed one-woman shows, did voice-over work, and commercials.
Tullock is best known for her roles as Devon in Apple TV+'s Severance and as Anita St. Pierre in HBO's Perry Mason. Along with the rest of the principal cast of Severance, she was nominated for a 2022 SAG Award for Best Ensemble in a Drama. For her role as Anita in season two of HBO's Perry Mason, she was nominated for a Hollywood Critics Association award for Best Supporting Actress in a Cable or Network Drama.