Relive 'Hawaii Five-0's 10 Best Guest Stars Including Carol Burnett, Nick Jonas & More

JAMES CAAN

Star Scott Caan’s real life dad played Tony Archer, a retired New York police officer turned private investigator.

CAROL BURNETT & FRANKIE VALLI

Carol played McGarrett’s Aunt Deb, who turns up on the Island to get married to Leonard Cassano, played by Frankie Valli.

SEAN “DIDDY” COMBS

Diddy played Reggie Cole, an undercover police officer.