สมองของสป็อค

Marj Dusay

Kara

Eddie Paskey

Lieutenant Leslie (uncredited)

Sheila Leighton

Luma

Majel Barrett

Christine Chapel

Frank da Vinci

Clifford Brent

Frieda Rentie

Enterprise Lieutenant (uncredited)

Pete Kellett

Morg Guard (uncredited)

Bill Blackburn

Lieutenant Hadley (uncredited)