who played q in star trek next generation
John de Lancie John de Lancie (born March 20, 1948) is an American actor, comedian, director, producer, writer, singer, musician, and voice artist, best known for his role as Q in Star Trek: The Next Generation (1987–94), Star Trek: Deep Space Nine (1993–99), and Star Trek: Voyager (1995–2001) and the voice of Discord in My Little Pony: Friendship Is Magic (2010–present).