Leonard Joseph “Len” Cariou (born September 30, 1939) is a Canadian actor. He gained prominence for his Tony Award-winning title role in the original cast of Sweeney Todd: The Demon Barber of Fleet Street (1979). Prior, Cariou had earned nominations for his performances in musicals Applause (1970) and A Little Night Music (1973). Cariou has had supporting roles in films such as The Four Seasons (1981), Thirteen Days (2000), About Schmidt (2002), Flags of Our Fathers (2006), Prisoners (2013), and Spotlight (2015). On television, he is known for recurring roles in the shows Murder, She Wrote (1985–1992), Brotherhood (2005-2006), and Damages (2010) and his starring role in Blue Bloods (2010–2024).

1990 • TV

1990 • TV

1990 • TV

2000 • TV

2013 • Movie

2007 • Movie
as Father Patrick Dunn
as Mike's Father
as Hank
as Sheriff Dave Newsome
as Cardinal Law
as Ben
as Noah Cross
as Norm Archer
as Atkins
as John Abbott
as Oswald
as Henry Woods
as Secretary of Defense Charles White
as David Brogan
as Dr. Picard
as Ray Nichols
as Phil Terragarossa
as Bob Millard
as Henry Taylor
as Jerry
as Edgar Beezley
1 episodes
as Captain Allard Bunker
1 episodes
as Mac Geller
1 episodes
as Frank McCarty
1 episodes
as Henry Reagan
293 episodes
as Michael Hagarty
7 episodes
as Admiral Edward Janeway
1 episodes
as Alan Damson
1 episodes
as Defense Attorney Weiland
1 episodes
as Self
3 episodes
as Self - Winner/Performer
1 episodes
as Self - Nominee
2 episodes
as Self - Performer
1 episodes
as Self - Previous Winner
1 episodes
as Self
1 episodes
as Narrator (voice)
1 episodes
as Father Anton Jonascu
1 episodes
as Doc Wells
1 episodes
as Louis Tobin
5 episodes
as Randall Meade
1 episodes