|

Steve McGarrett (Jack Lord)
- Girlfriend: Cathi Ryan (Man in a Steel Frame)
- Learning to play tennis. (Man in a Steel Frame)
- Sometimes plays tennis with Danny. (Man in a Steel Frame)
|
|

Dan Williams (James MacArthur)
- Car Number Plate: 2H-3163 (Heads, You're Dead)
- Plays tennis (Man in a Steel Frame)
|
|
|

Chin Ho Kelly (Kam Fong)
|
|

Duke Lukela (Herman Wedemeyer)
|
|
Recurring Characters - Season 9
|
|

Che Fong (Harry Endo)
Episodes
Oldest Profession - Latest Price; The Last of the Great Paperhangers; Let Death Do Us Part; Yes, My Deadly Daughter; Target - A Cop; The Bells Toll at Noon; Man in a Steel Frame; To Die in Paradise; Blood Money Is Hard to Wash; Practical Jokes Can Kill You
|
|

Governor (Richard Denning)
Episodes
Nine Dragons; Assault on the Palace; A Capitol Crime; Blood Money Is Hard to Wash
|
|
|

Doc Bergman (Al Eben)
Episodes
Assault on the Palace; Tour de Force, Killer Aboard; Man on Fire
|
|

John Manicote (Glenn Cannon)
- Daughter's name is Karen (Elegy in a Rain Forest)
Episodes
Let Death Do Us Part; Man in a Steel Frame; Elegy in a Rain Forest
|
|
|

Sandi Welles (Amanda McBroom)
- Has a brother called Mike
Episodes
Tour de Force, Killer Aboard; Heads, You're Dead; Dealer's Choice.....Blackmail
|
|

Grant Ormsbee (Pat Hingle)
Episodes
Man on Fire; To Kill a Mind
|