In 2017, he starred as Chris in the short film Brotherly Love alongside Krista Kalmus. The same year, Theler was cast as Craig Hollis / Mister Immortal in the upcoming Marvel Cinematic Universe series New Warriors. The series notoriously lost its distributor before it could air proper and was ultimately cancelled. He guest starred in an episode of ABC comedy American Housewife as Dirk. In 2018, he played the role of Aric Dacia/X-O Manowar in the Valiant Entertainment's Ninjak vs. the Valiant Universe. He also guest starred as Conan in the YouTube series Wayne and as Thor a. k. a Donar the Great in the Starz series American Gods. Theler guest starred in Hulu's web comedy series Dollface playing the role of Ryan, a man Jules has a fling with.