A Honolulu Police Department Detective-Sergeant recruited by Steve McGarrett as his partner and the team's unofficial second in command. He helps investigate cases ranging from terrorism and kidnapping to murder and robbery, forming the primary partnership at the center of the task force.
Upgraded to the main cast in later seasons. The provided summary offers no further plot details or character background.
Mechanic and getaway driver, twin brother of Virgil.
Getaway driver and Virgil's brother.
Virgil's brother, handles driving and mechanical support for the crew.
Crew member and mechanic assisting in the high-stakes car theft operation.
A New York lawyer and Jared's childhood friend who visits the Bahamas. Eager to profit from the recovered cocaine, he dives with Jared and Amanda. After Amanda's death, he helps rescue Sam and ultimately discovers gold on the Zephyr wreck, ensuring the group's financial future.
A superstitious and persistent NYPD detective obsessed with tracking the alien 'Dave', who eventually shifts from investigator to ally.
Olivia's former partner who is currently struggling financially and creatively, serving as a grounded contrast to the wealthier, more established members of the friend group.
Gordie's loyal best friend and fellow sewage worker. After witnessing a wrestling injustice, he supports Gordie's quest to restore Jimmy King's career. During their journey, he romances a fast-food employee and later assists in defeating the villainous promoter at the championship event.
Cole Younger is one of the returning Confederate fighters and a leading member of the James–Younger group. He kills two railroad men after losing his temper over their pressure to sell his land, is sentenced to hang, and is rescued by Jesse James, Frank James, Bob Younger, Jim Younger, and Zerelda "Zee" Mimms. Later, his rivalry with Jesse damages the gang.
Randall Sullivan is the American submarine commander leading the wartime patrol. He attacks the enemy submarine, survives the destruction of his own vessel, and is captured with a small group of sailors. His hidden meningitis endangers both crews, and he ultimately dies while fighting a German guard, leaving Travers to carry forward the Americans' struggle.
Scott Caan has 58 screen credits in a career dating back to 1993. Their work spans 4 cinematic universes — most prominently Ocean's with 3 titles. Signature works include Hawaii Five-0, Ocean's Eleven, Ocean's Thirteen. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Universe traveler — spans 4 universes
Related entry on Wikidata (Q314673), public domain (CC0).
