TMDb/The Night Agent TV Netflix's The Night Agent adds Bosch star Titus Welliver as a DOJ prosecutor for Season 4, alongside new cast members Trevante Rhodes and Elizabeth Lail. May 1, 2026 AceShowbiz - Netflix's The Night Agent is expanding its cast for Season 4 with the addition of Titus Welliver, known for his role on Bosch. Welliver will portray a special Department of Justice prosecutor named Duval, according to Deadline. While specific character details remain under wraps, his involvement adds notable star power to the hit espionage series.