Jacob Daniel Tierney (born September 26, 1979) is a Canadian actor, film director and screenwriter. He is the son of veteran producer Kevin Tierney. He is an actor and producer, known for "The Trotsky" (2009), "Letterkenny" (2016) and "Twist" (2003), and is most recently known for his role as the creator, writer and director of the hit Crave TV series "Heated Rivalry." (오뜨랑에서 실시간으로 번역된 한글 프로필도 확인할 수 있어요) 2026년 Young Farts Trailer Parts 제작에 참여했다. 2026년 The Hockey Player에 출연했다. 2025년 히티드 라이벌리에서 Assistant Director 역을 맡았다.