Following a nuclear weapons testing accident in North Korea, the crew of a US Navy submarine experiences a communications breakdown. Believing that a nuclear war has started, the senior officers prepare for retaliation, but one man is not so sure.
| Actor | Role |
|---|---|
 Casper Van DienCommander Miles Sheffield | Commander Miles Sheffield |
 Gerald McRaneyAdmiral Eugene Justice | Admiral Eugene Justice |
| SStewart BickLt. Commander Albert Kenner | Lt. Commander Albert Kenner |
 Tammy IsbellLt. Clare Holliday | Lt. Clare Holliday |
 Ron WhiteCPO Pete LeCroix | CPO Pete LeCroix |
 Vince CorazzaLt. Commander Eric Watkins | Lt. Commander Eric Watkins |
 Paul EssiembreTony Martinez | Tony Martinez |
 Dominic ZamprognaRyan Alford | Ryan Alford |
 Kim PoirierLisa Alford | Lisa Alford |
 Shane DalyLt. Commander Gary Reynolds | Lt. Commander Gary Reynolds |