Leonard Joseph Cariou OC OM (born September 30, 1939) is a Canadian actor, best known for his portrayal of Sweeney Todd in the original cast of Sweeney Todd: The Demon Barber of Fleet Street, for which he won the Tony Award for Best Actor in a Musical, and for playing the patriarch Henry Reagan, NYPD Police Commissioner (retired), in the multi-generational television series Blue Bloods on CBS.
Len Cariou was born on September 30, 1939 in Winnipeg, Manitoba, Canada as Leonard Joseph Cariou. He is an actor, known for Spotlight (2015), Thirteen Days (2000) and Death Wish (2018). He has been married to Heather Summerhayes since October 25, 1986. He was previously married to Susan Barbara Kapilow and Patricia Otter.