John Michael McCarthy (born October 12, 1962) is a retired American mixed martial arts (MMA) referee best known for officiating numerous bouts promoted by the Ultimate Fighting Championship (UFC), dating back to UFC 2.

1994 • TV

2025 • Movie

1998 • TV

1999 • Movie

1994 • Movie

2003 • Movie
as Referee
as S.W.A.T. Team Member
as Himself
as Self-Referee
as Self
as Himself
as Sam
as Himself
as Himself
as Self / Referee
as Referee
1 episodes
as Self
1 episodes
as Self - Guest
1 episodes