S11·E1 – The Sleeper

James MacArthur

Danny Williams

Jack Lord

Det. Steve McGarrett

Herman Wedemeyer

Duke

Richard Denning

Governor

Steve Kanaly

Glen Fallon

Maria Perschy

Dr. Sonya Hansen

Andrew Duggan

Dr. Karl Rathman

Lani Kim

Dr. Lopaka

Don Pomes

HPD Officer

Jo Anne Morgan

Lab Technician

James Ferrier

Dr. Conrad

John Hunt

Dr. Kent

Barry Crane

Director

John Melson

Writer