The Sleeper

After a government agent is murdered, McGarrett must identify the traitor in a scientific facility.

My Thoughts

Guest Stars

Special appearances in this episode.

Guest Stars

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

Wayne Oxford

Dr. Abicoff

Ann Ramos

Gun Club Manager

Harry Williams

Arnold Dixon

Vic Leon

Walden

Norman Perry

Hendrick

Bernard Ching

Post Office Clerk

Crew

Episode-specific crew credits.

Barry Crane

Director

Directing

John Melson

Writer

Writing

Videos

Clips and promos for this episode.

Videos

No videos available.

Stills

Episode still images from TMDB.

Stills

Still

1000 × 750