- John Anderson - Agent Reagan
- John Clarke - Guard Lt. Raskin
- Hari Rhodes - Guard Lt. Johnson
- Martin Blaine - Martin
- Henry Beckman - Dr. Baxter
- Harry Lauter - Fake SDI Agent
- James Hong - Dr. Yang
- Russ Bender - Desk Guard Mason
- Harold Gould - Dr. Ostrer (uncredited)
- Lee Remick - Waitress
- William Bryant - Lead Agent "X-Ray", drives car
- James Doohan - Second Agent "X-Ray", scratches hand
- Michael Barrier - Helicopter Pilot Henchman
- Tol Avery - Detective Captain at Baseball Stadium
- John Hubbard - Guard
- John Sturges
- James Clavell
- Lynn Stalmaster
- Jerry Goldsmith
Capítulo disponible en las siguientes plataformas: