Cardinal is a Canadian crime drama television series, which premiered January 25, 2017, on CTV (in English) and Super Écran (in French). An adaptation of Giles Blunt's award-winning mystery novel Forty Words for Sorrow, the series stars Billy Campbell as John Cardinal and Karine Vanasse as Lise Delorme, detectives investigating the murder of a young girl in Algonquin Bay. The cast also includes Deborah Hay, Alanna Bale, Glen Gould, David Richmond-Peck, Gail Maurice, Kristen Thomson, Brendan Fletcher and Allie MacDonald.
On February 28, 2017, CTV renewed Cardinal for a second and third season both to have six episodes. The second season is to be based on Blunt's third John Cardinal novel, Black Fly Season, while the third is slated to be based on By the Time You Read This and Crime Machine, the fourth and fifth novels in the series.