Actor Tiffani Thiessen joins the cast of the ABC series What About Brian. As the newest series regular, Thiessen will play Natasha Dylan, a former intern of Dave's who becomes his new boss at KC Gaming.

Thiessen will play a sexy, manipulative and a shrewd businesswoman who loves playing mind games and will stop at nothing to continue her success. Her reach will extend to all of the friends, especially Brian and Adam, as she uses her attractiveness, smarts and charm to get what she wants.