- Jack Nicholson - John Stark
- Kenneth Tobey - Pete Butler
- Russ Conway - USCG Lt. Cmdr. Barney Adams
- Douglas Henderson - Dr. Barton
- Leo Gordon - Panicky Miner
- John Doucette - Louis Hale
- Leonard Mudie - Eugene Laszlo
- Charles Maxwell - USCG Lieutenant
- Jack Ging - Lou James
- Bruce Dern - FBI Agent John Furillo
- Nan Peterson - Norma Carter
- Sándor Szabó - Bela Benedek
- Victor Buono - Seminard
- Mike Steen - Sonny Kendall
- Bert Williams - Bill Davies
- Jana Lund - Jill Bromley
- Barry Harvey - Ramone
- Cyril Delevanti - Lars Anderson
- Joe Dominguez - Juan
- Joe Dominguez - Arturo Ramirez
- Joe Dominguez - Julio Salas
- Eric Feldary - Greg Andrews
- Eric Feldary - Ben Tempesta
- Hanna Landy - Magna Androvich
- Eugene Iglesias - Diego
- Eugene Iglesias - Perez - Military Police
- A.G. Vitanza - Merker
- Valerie Allen - Dana Perry
- Mary Lawrence - Dr. Barnes
- Jack Hogan - Billy Riker
- Jack Hogan - Ken Mason
- Keith Richards - Ed Romer
- Edson Stroll - Julian Laubec
- Nick Dimitri - George Turner
- Lomax Study - Dr. Barr
- Michael Whalen - Oliver Brandon
- Michael Granger - Norm 'Mr. Big' Brown
- Quinn K. Redeker - Joey
- Quinn K. Redeker - USCG Lt. Bob Camp
- Frederick Ziv
- John Florea
Jack Nicholson interpreta a John Stark en la serie.
Lloyd Bridges interpreta a Mike Nelson en la serie.
Capítulo disponible en las siguientes plataformas:
