United Kingdom, April 13 -- Noah Wyle has a secret "support group" of character actor friends.

The actor, 53, has won critical acclaim for his new role in 'The Pitt', but added getting the approval of his mob of esteemed star friends means more to him than any public praise.

Noah, known for his breakout role as Dr. John Carter on 'ER', plays Dr. Michael 'Robby' Robinavitch in the hit medical drama 'The Pitt', with the star also serving as an executive producer and writer on the series.

He told TV Guide about the backing behind the scenes he's experienced from his close-knit group of famous pals: "I have this little support group of actor friends, we're the eating club called the Character Actor Dining Society - the CADs, we refer to ou...