Actor Andre Braugher's cause of death has been revealed. His rep has confirmed to The Hollywood Reporter that the actor had lung cancer. Braugher died Monday at 61 after what his rep then said was a "brief illness." He starred on NBC's 'Homicide: Life on the Street' for six seasons. He later played the character Capt. Raymond Holt on the 2013 to 2021 Fox-NBC sitcom 'Brooklyn Nine-Nine'.