Denise Crosby, American actress and producer
Denise Michelle Crosby (born November 24, 1957) is an American actress and model, best known for portraying Security Chief Tasha Yar mainly in season one of Star Trek: The Next Generation, and Yar's daughter, the half-Romulan Commander Sela, in subsequent seasons. She is also known for her numerous film and television roles, and for starring in and producing the film Trekkies.