Patrick McKenna (born May 8, 1960) is a Canadian comedian and actor. He is best known for playing Harold Green on the television series The Red Green Show. Early life Patrick McKenna became interested in Second City when a high-school teacher took him to a show at Second City Toronto. After he graduated from high school, he attended Sheridan College, graduating with a business degree in 1982. Career To help with tuition, he worked his way to being night manager at Second City, learning how improv worked. In 1983, he auditioned successfully for the main stage. During the 1980s he tried his hand at standup and spent five years performing his act in Canada and the US. One night at Second City during the late 1980s, McKenna received the acting offer which would change his life. Steve Smith was recruiting cast members, especially a sidekick, for his new project, The Red Green Show. He had come to Second City and was checking out the entire troupe, but when Patrick did his twitchy-nerd character, Smith knew he had his sidekick. He offered McKenna a job after the show. McKenna appeared on television screens throughout Canada and the US for the next 15 years as the lovable nephew Harold Green on The Red Green Show. He also played Marty Stephens on Traders, working alongside future Stargate SG-1 and Stargate Atlantis Canadian actor David Hewlett. For his work on Traders and The Red Green Show, McKenna received two Gemini Awards. He is the only Canadian actor to win for both drama and comedy in the same year, at the 13th Gemini Awards on 4 October 1998. McKenna guest-starred in two episodes of Stargate SG-1 playing Dr. Jay Felger, first in the season 6 episode "The Other Guys" and then in the season 7 episode "Avenger 2.0". He also starred in the 2002 Trudeau miniseries. In 2006, McKenna played producer Jeffrey Littleman on the short-lived CBC television series Getting Along Famously. In 2007, he appeared in the pilot of Sabbatical. He starred as Victor in the 2011 indie horror film Silent but Deadly. In late 2011, he played the politician and Canadian Confederation leader Alexander Galt in the CBC television movie John A: Birth of a Country. Throughout the mid-2000s and early 2010s, McKenna saw work as a voice actor in Canadian animated series such as Atomic Betty, Iggy Arbuckle, Crash Canyon and Sidekick.