Len Cariou, Actor: Blue Bloods. Len Cariou was born on September 30, 1939 in Winnipeg, Manitoba, Canada as Leonard Joseph Cariou. He is an actor, known for Blue Bloods (2010), Prisoners (2013) and Secret Window (2004). He has been married to Heather Summerhayes since October 25, 1986. He was previously married to Susan Kapilow and Patricia Otter.