20. Bölüm

Paul McGillion

Carson Beckett

Clayton Landey

Colonel Dillon Everett

Chris Britton

Prenum

David Orth

Captain Radner

James Lafazanos

Male Wraith

Chuck Campbell

Chuck

Jeffrey C. Robinson

Wraith/Wraith (Uncredited)

James Bamford

Athosian (Uncredited)

Christopher Ang

Athosian (Uncredited)

Nathan Flaminio

Scientist (Uncredited)

Sean Millington

Major Ferrell (Uncredited)

Barry Nerling

Sgt. Green (Uncredited)

Chris Bradford

Marine (uncredited)

Clayton Watmough

Marine (Uncredited)

Glen Brkich

Marine (Uncredited)

Martin Blaiz

Marine (Uncredited)