Ηθοποιοί επεισοδίου
Roy ScheiderCaptain Nathan Bridger
Jonathan BrandisLucas Wolenczak
Don FranklinCommander Jonathan Ford
Rosalind AllenDr. Wendy Smith
Edward KerrLieutenant James Brody
Michael DeLuiseSeaman Anthony Piccolo
Ted RaimiLieutenant Tim O'Neill
Kathy EvisonLieutenant Lonnie Henderson
Marco SanchezSensor Chief Miguel Ortiz
Peter DeLuiseDagwood
Φρανκ ΓουέλκερDarwin (voice)
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Gregory Paul MartinMarcus Rawlings