- Judith Chapman - Laura Garvey
- Dennis Holahan - Captain Farrell
- Morgan Paull - Parker
- Paul Henry Itkin - Horton
- Nicholas Guest - Sailor
- Lawrence Levine - Technician
- Cassandra Peterson - Dance Hall Girl
- Edward Coch Jr. - Chubby Gunman
- Alex Kubik - The Gunfighter
- Jack Carter - Charles Vincent
- Christopher Connelly - Nick Stoner
- Jeff Cooper - Dean Stoner
- William Elliott - Police Officer
- Greg Lewis - Stickman
- Denny Miller - Earl Case
- Inga Neilsen - Woman
- John Shearin - Jason
- Bobby Van - Danny
- Frank White - Reporter
- Rusty Anderson - Band Member
- René Auberjonois - Power
- Ed Bernard - Doctor
- Ronee Blakley - Ruth Avery
- Dirk Blocker - Mace
- Mary Carver - Head Nurse
- Lawrence P. Casey - Ryder
- DeWayne Jessie - Lingo
- John Lafayette - Power Plant Guard
- Sirri Murad - Hakim Fader
- Lois Welch - Bobby Lee
- Christine Belford - Dianna Lionstar
- William Bryant - Eric Lionstar
- Larry Carroll - Narrator
- Michael Cole - Corey Burns
- Russell Johnson - Patrick
- Peter Liapis - Carlos Menotti
- Michael Pataki - Aldo Ortiz
- Ron Troncatty - Bill Johnson
- Robert Alda - Governor Eric Harper
- Robert Clarke - TV Reporter #1
- Scott Ellsworth - TV Commentator
- Dana Halsted - Nurse Mary Holmby
- Martin Kove - Jack Edwards
- Charles Lucia - Sergeant Al Benedek
- Monte Markham - Captain Mike Nicholson
- Judy Pace - Vickie Greene
- Hari Rhodes - Commander Riley
- Arthur Roberts - Jim Roberts
- Julie Sommars - Liz Nicholson
- George Takei - Doctor Marcus
Dennis Holahan hace el papel de Captain Farrell.
George Takei interpreta a Doctor Marcus en la serie.
Jim McMullan interpreta a John Moore en la serie.
James Wainwright interpreta a Simon Quaid en la serie.
William Jordan interpreta a Joseph Oppenheimer en la serie.
Nancy Harewood interpreta a Roberta en la serie.
Severn Darden interpreta a Foley en la serie.
Connie Sellecca interpreta a Pamela Williams en la serie.
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