Approximately 70% of the film had been shot. Martin narrated the audio book "The Fire Next Time" by James Baldwin and "On the Shoulder of Giants, Volume 2: Master Intellects and Creative Giants" by Kareem Abdul-Jabbar. He co-produced the off-Broadway production of "Fully Committed" with "Rent" co-star Adam Pascal (and two other producers). Martin sits on the board of trustees for the Jonathan Larson Performing Arts Foundation along with "Rent" co-producer Kevin McCollum. In October 2006, Martin returned to Buffalo, New York to work on an independent film ("Buffalo Bushido"), and was robbed two days later. In 2018, Martin suffered a back injury during the summer, which resulted in him being unable to commit to the fifth season of "The Flash". He took a medical leave of absence from the show after filming scenes for a few episodes. He is a resident of Manhattan.