
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).

Prisoners
2013 · as Father Patrick Dunn

Bumblebee
2018 · as Hank

Executive Decision
1996 · as Secretary of Defense Charles White

Spotlight
2015 · as Cardinal Law

Flags of Our Fathers
2006 · as Mr. Beech

1408
2007 · as Mike's Father

Death Wish
2018 · as Ben

Wildwood
2026 · as (voice)

Secret Window
2004 · as Sheriff Dave Newsome

Thirteen Days
2000 · as Dean Acheson

The Onion Movie
2008 · as Norm Archer

The Greatest Game Ever Played
2005 · as Stedman Comstock

About Schmidt
2002 · as Ray Nichols

Border Line
1999 · as Jerry

Into the Storm
2009 · as President Franklin D. Roosevelt

Show of Titles
2021 · as "Mame" Performer

The Four Seasons
1981 · as Nick Callan

Lady in White
1988 · as Phil Terragarossa