In 2008, Brick Director Rian Johnson invited Segan to play a small role in his second film, The Brothers Bloom. In 2012, Segan had a supporting-lead role in Johnson's third film, Looper. In 2013, he made a cameo appearance during the fifth season of the critically acclaimed drama series Breaking Bad, as a fireman in the episode "Ozymandias", also directed by Johnson. On April 21, 2016, he was added to the cast of Star Wars: The Last Jedi, working once again with Johnson.