From Scottish parents, at the age of 4 he emigrated with his family to Canada, where he grew up in Edmonton, Alberta, along with his two brothers.
Graduated from the Starthcona High School, and later he abandoned his studies to dedicate himself to different jobs, living in Vancouver and Toronto, to later settle permanently in Vancouver.
He made his debut before the cameras in 1993, on the tape “Purple toast”, And since then he has developed a successful career, both in film and television.
Among his more than 40 credits for the big screen, we can mention titles such as “Timecop, police in time“, starring Jean Claude Van Damme, “Looking for the perfect woman“,”Hidden in memory”, A thriller in which he worked with Ray liotta Y Linda Fiorentino, “Master Minds“,”Memento“, Drama that starred with Guy pearce Y Carrie-Anne Moss, “Paycheck“, with Ben affleck, Aaron Eckhart Y Uma Thurman, “The butterfly Effect“,”Blade: Trinity“,”Black code“, A comedy in which he worked together with Lucy liu Y Nicolette sheridan, “Blackmail“,”What is not seen“,”The X-Files: Believing is the key“,”File 39” Y “Gunless“, among others.
On television, he could be seen as a regular actor in the series “My Life as a Dog“, Where he played Johnny johansson between 1995 and 1996, it was the Det. Stanley Raymond Kowalski on “Due South”, Newbie on “Twich City”, Det. Bob marlowe on “The Da Vinci Key”, Lew ashby on “Californication”, Leoben Conoy on “Battlestar galactica“, And since 2010 he has starred in the series”Sullivan“In the role of Det. Ben sullivan.
Rennie has also had guest appearances on many other shows, including “Nikita“,”Dark angel“,”Tru calling“,”Supernatural“,”24“,”FlashForward” Y “Alphas”; and it was also seen in a few films made especially for television.
In regards to his personal tastes, he is an admirer of Expressionism, of artists like Basquiat, Motherwell Y Pollock, and in his spare time he enjoys playing sports.
He currently resides alternately between Vancouver and Los Angeles.