Ηθοποιοί επεισοδίου
Roy ScheiderCaptain Nathan Bridger
Jonathan BrandisLucas Wolenczak
Don FranklinCommander Jonathan Ford
Stephanie BeachamDr. Kristin Westphalen
Stacy HaidukLieutenant Commander Katherine Hitchcock
Ted RaimiLieutenant Tim O'Neill
John D'AquinoLt. Benjamin Krieg
Royce D. ApplegateChief Manilow Crocker
Marco SanchezSensor Chief Miguel Ortiz
Φρανκ ΓουέλκερDarwin (voice)
Turhan BeyDimitri Rossovich
Chaim TopolDr. Rafik Hassan
Richard HerdAdmiral Noyce
Lindsay FrostSavannah Rossovich