2005. He returned to Rent on July 30, 2007, for a six-week run, along with original cast member Adam Pascal. The two continued in their return to Rent through October 7, 2007. Rapp and Pascal, along with fellow original cast member Gwen Stewart, reprised their roles of Mark and Roger in a national tour of Rent beginning January 6, 2009. In 2000, Rapp released a solo CD, entitled Look Around. In 2006, he published a memoir about Rent and his relationship with his mother, Without You: A Memoir of Love, Loss, and the Musical Rent. The manuscript took him six years to finish because of how personal it was. Rapp developed a one-man stage show with music based on the memoir beginning in 2007, later performing it at such locations as the Edinburgh Festival Fringe. A recording of the show was released on December 11, 2012, by PS Classics. In 2005, Rapp played the doctor in the world premiere of Feeling Electric (later to become the Broadway musical Next to Normal) at the New York Musical Theatre Festival. During Next to Normal'''s Off-Broadway run (2008), he worked as assistant director to Michael Greif, who had directed him in Rent, and later wrote the introduction to the published script. Rapp played the role of Lucas in If/Then, which starred fellow Rent alum Idina Menzel. If/Then played the National Theatre in Washington, D.C., and began previews on Broadway on March 5, 2014, and opened on Broadway at the Richard Rodgers Theater on March 30, 2014. In July, Rapp had to miss performances due to a knee injury and surgery. It closed on March 22, 2015. Rapp reprised the role in the 2015-2016 National Tour, along with Menzel and the rest of the main Broadway cast. Rapp also appeared in "Psych: The Musical", an episode of the TV series Psych, which premiered on USA Network on December 15, 2013. In 2016, Rapp was cast in Star Trek: Discovery as Lt. Commander Paul Stamets, the first openly gay character in the Star Trek television series. This was Rapp's first television regular role; while he had watched some Star Trek as a child, he watched "curated lists" of episodes from the multiple series to prepare for the role. Personal life Rapp had a close relationship with his mother, who was battling cancer during the beginning of the off-Broadway and Broadway transfer of Rent. He would