| First Name | Len |
| Last Name | Cariou |
| Full Name at Birth | Leonard Joseph Cariou |
| Age | 72 |
| Date of Birth | September 30, 1939 |
| Birthplace | Winnipeg, Manitoba, Canada |
| Build | Average |
| Hair Color | Grey |
| Star Sign | Libra |
| Ethnicity | White |
| Nationality | Canadian |
| Occupation Category | Actor |
| Claim to Fame | The Four Seasons |
Leonard Joseph “Len” Cariou (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. He currently plays the patriarch in the multi-generational television series Blue Bloods on CBS.
Selected Len Cariou film and TV show credits: