Elenco - Cocoon
Jack Lord
Det. Steve McGarrett
Nancy Kwan
Rosemary Quong
Leslie Nielsen
Brent
Andrew Duggan
Miller
James Gregory
Jonathan Kaye
Khigh Dhiegh
Wo Fat
Lew Ayres
The Governor
Tim O'Kelly
Danny
Newell Tarrant
DocZulu
Kono
Kam Fong
Chin Ho
Philip Ahn
Attorney General
Mitzi Hoag
May
Noah Keen
Dr. Bernard
Russell Thorson
Port CaptainWright Esser
Capt. SchroederYankee Chang
Tour Bus Driver
Iris Rainer
Jailed Hippie Girl
Dale Ishimoto
Arcturus Construction Guard
Soon-Tek Oh
Wo Fat's Lab TechnicianMark LeBuse
Arcturus Construction Foreman
Maxine Jennings
Mildred - Governor's Secretary
Bill Saito
Burglar
Gertrude Flynn
LandladyBaird Miller
Agent Tailing McGarrettRichard Kuga
Wo Fat's Lab Assistant
William Boyett
Agent in Brent's OfficeHelen Torco
Hula Dancer