Marlee Matlin Joins ‘Quantico’ for Season 3 Quantico has a new recruit. Marlee Matlin is joining the cast for the series’ third season, ABC announced on Monday. Matlin’s character is Jocelyn Turner, an ex-FBI agent who saw her career as an undercover field agent derailed when an exploding bomb left her deaf. Now, Turner has been recruited to join a special unit alongside other returning Quantico characters. Matlin joins four returning series regulars, including breakout star Priyank..