• 

  Tom Sellwood

  饰：Capt. Timothy Ryan

• 

  Krista Welter

  饰：Ens. Sara Starr

• 

  Greg Salomone

  饰：Cmdr. Max Grant

• 

  Clio Berney

  饰：Lt. Katie Covell

• 

  Jennifer Abbou

  饰：Dr. Cynthia Jones

• 

  Phil Bolin

  饰：Lt. Cmdr. Barry Glover

• 

  Anna Stoner

  饰：Adm. Morgan

• 

  Robert Spuhler

  饰：Lt. David Bennet

• 

  Danny Brannon

  饰：Rafi lieutenant

• 

  Lindsay Schindele

  饰：Yeoman

• 

  Eve Young

  饰：Aunt Edith

• 

  Bette Cassatt

  饰：Lt. Tuk

• 

  Rob Ellis

  饰：New Speck Captain