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

Zulu

Kono

Kam Fong

Chin Ho

Philip Ahn

Attorney General

Mitzi Hoag

May

Noah Keen

Dr. Bernard

Russell Thorson

Port Captain

Newell Tarrant

Doc

Wright Esser

Capt. Schroeder

Yankee Chang

Tour Bus Driver

Iris Rainer

Jailed Hippie Girl

Dale Ishimoto

Arcturus Construction Guard

Soon-Tek Oh

Wo Fat's Lab Technician

Mark LeBuse

Arcturus Construction Foreman

Maxine Jennings

Mildred - Governor's Secretary

Bill Saito

Burglar

Gertrude Flynn

Landlady

Baird Miller

Agent Tailing McGarrett

Richard Kuga

Wo Fat's Lab Assistant

Sterling Mossman and the Barefoot Gang

Themselves

William Boyett

Agent in Brent's Office

Helen Torco

Hula Dancer