Patrick Stewart

Sir Patrick Hewes Stewart is an English film and stage actor who voiced the huntmaster in the season 7 episode "31st Century Fox". He is a noted Shakespearean actor, who has appeared in various productions for the since the 1960s. Outside of theatre, he is best known for his roles as in Star Trek,  in the, and  in  and Family Guy. He also had a notable guest role as in The Simpsons. On 13 January 2012, John DiMaggio revealed himself to be in a recording session with David X. Cohen and Stewart, thus announcing Stewart as a guest voice actor for season 7.

Trivia

 * According to the commentaries in Volume 7, the reason why "31st Century Fox" and "Viva Mars Vegas" aired in each other's place was that Comedy Central wanted to advertise Patrick Stewart being in the season finale. No advertisement was made, however.