13. Bölüm

Arnold Moss

Anton Karidian

Eddie Paskey

Lieutenant Leslie (uncredited)

Barbara Anderson

Lenore Karidian

Bruce Hyde

Lt. Kevin Thomas Riley

Grace Lee Whitney

Janice Rand

Majel Barrett

Christine Chapel

William Sargent

Dr. Thomas Leighton

Ron Veto

Harrison

Tom Anfinsen

Crewman (uncredited)

Carey Foster

Enterprise Science Crew Member (uncredited)