การคัดเลือกผิดธรรมชาติ

Colm Meaney

Miles O'Brien

Patricia Smith

Dr. Sara Kingsley

Majel Barrett

Enterprise Computer (voice) / Lwaxana Troi

Michael Braveheart

Crewman Martinez (uncredited)

J. Patrick McNamara

Capt. Taggert

Scott Trost

Ensign

James G. Becker

Youngblood

Lorine Mendell

Crewman Diana Giddings (uncredited)