<P> 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 , 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 . </P>
<P> 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 , 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 . </P>
who is the actor that plays the grandfather on blue bloods
who is the actor that plays the grandfather on blue bloods
Leonard Joseph `` Len '' Cariou
Leonard Joseph `` Len '' Cariou