S1·E4 – Ring of Fire

Robert Hooks

Commander Jim Coleman

Ken Olandt

Lt Jack 'Sierra' DePalma

Richard Jaeckel

Master Chief Sam Rivers

Cec Verrell

Lt Ruth 'Bee-Bee' Ruthkowski

Matthew Walker

Dale Dye

Michael Sharrett

Tasia Valenza

Gerardo Mejía

Luis Cruz

Eddie Velez

Marie Windsor

Josh Cruze

Danny