시즌 정규 출연진 10

1. 

   Roy Scheider

   Captain Nathan Bridger

2. 

   Jonathan Brandis

   Lucas Wolenczak

3. 

   Stephanie Beacham

   Dr. Kristin Westphalen

4. 

   Don Franklin

   Commander Jonathan Ford

5. 

   Stacy Haiduk

   Lieutenant Commander Katherine Hitchcock

6. 

   Ted Raimi

   Lieutenant Tim O'Neill

7. 

   John D'Aquino

   Lt. Benjamin Krieg

8. 

   Royce D. Applegate

   Chief Manilow Crocker

9. 

   Marco Sanchez

   Sensor Chief Miguel Ortiz

10. 

    Frank Welker

    Darwin (voice)

특별출연 6

1. 

   Alan Scarfe

   Dr. Rubin Zellar

2. Mark Fauser

   Weapons Officer Phillips

3. 

   Timothy Omundson

   Dr. Joshua Levin

4. Jodi Lyn Brockton

   Officer Wilson

5. Lance Patrick

   Missing crewman

6. Jean Barrett

   Williams

제작진 2