William Shatner

Captain James T. Kirk

Leonard Nimoy

Captain Spock

DeForest Kelley

Dr. Leonard 'Bones' McCoy

James Doohan

Captain Montgomery 'Scotty' Scott

George Takei

Cmdr. Hikaru Sulu

Walter Koenig

Cmdr. Pavel Chekov

Nichelle Nichols

Cmdr. Uhura

Laurence Luckinbill

Sybok

David Warner

St. John Talbot

Charles Cooper

Gen. Korrd

Todd Bryant

Capt. Klaa

Spice Williams-Crosby

Vixis (as Spice Williams)

George Murdock

God

Harve Bennett

Starfleet Chief of Staff

Bill Quinn

McCoy's Father

Melanie Shatner

Yeoman

Michael Berryman

Sybok Warrior (uncredited)

Carey Scott

Young Spock