Denise Michelle Crosby is an American actress and model 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.
Crosby at GalaxyCon Columbus in 2023
Crosby with Star Trek co-star Gates McFadden in 2017
Crosby in 2003
Natasha "Tasha" Yar is a fictional character that mainly appeared in the first season of the American science fiction television series Star Trek: The Next Generation. Portrayed by Denise Crosby, Yar is chief of security aboard the Starfleet starship USS Enterprise-D and carries the rank of lieutenant.
Lieutenant Natasha Yar
Image: Denise Crosby STIC Con 2003
Image: Marina Sirtis (7271366256)