Titus B. Welliver amerikalik rassom, sahna, televideniye va kino aktyori bo'lib, eng ko'p "Bosch" veb-televideniye seriyasidagi va "Sons of Anarchy" hamda "Deadwood" televideniye seriyalaridagi ijrolari bilan tanilgan. U Nyu-York Universitetida drama bo'yicha o'qigan va 1990-yillarning boshlarida professional aktyorlik faoliyatini boshlagan, ekranda va sahnada ko'plab asarlarda ishtirok etgan. U Shekspirning "Genri IV" I va II qismlarida va "American Buffalo" pyesasida o'ynagan. Uning televideniye ishlari "NYPD Blue", "That's Life", "Sons of Anarchy" va "The Good Wife" seriyalarida takroriy rollarda o'ynashni o'z ichiga oladi; "Deadwood" seriyasida yarim muntazam rol; va "Brooklyn South" seriyasida asosiy rol. Hozirda u "Bosch" veb-televideniye seriyasida Detektiv Hieronymus "Harry" Bosch rolini o'ynamoqda. Uning kichik ekran faoliyatiga "The Day Lincoln Was Shot" kabi bir nechta telefilmda ishtirok etish va "NCIS" hamda "Law & Order" seriyalarida mehmon sifatida qatnashish kiradi. Welliverning diqqatga sazovor kino rollari orasida amerikalik harakatli triller "Man on a Ledge" filmida Dante Marcus rolini va amerikalik ilmiy-fantastik harakatli film "Transformers: Age of Extinction"da James Savoy rolini o'ynashi bor. Shuningdek, u ko'plab audiokitoblarning naqqo'yi sifatida ham faoliyat yuritgan.
