Patrick McKenna born May 8, 1960 in Sylvania, Saskatchewan is a Canadian comedic and actor. He is best known for playing Harold Green on the television series The Red Green Show, Marty Stephens on Traders, and the Trudeau miniseries. McKenna is a member of Toronto's The Second City comedy troupe. He attended Westmount Secondary School.
McKenna was the subject of the PBS Documentary ADD and Loving It?! In 2006 McKenna played producer Jeffrey Littleman on the short-lived CBC television series Getting Along Famously. He also voices Robear on "Iggy Arbuckle".
In 2007 he appeared in the pilot of Sabbatical. He stars as Victor in indie horror film Silent But Deadly. McKenna guest starred in two episodes of Stargate SG-1 playing Dr. Jay Felger, first in the episode "The Other Guys" and then in episode "Avenger 2.0". In fall 2011 he played the politician and Father of Canadian Confederation Alexander Galt in the CBC TV movie John A: Birth of a Country.