Admiral James T. Kirk

William Shatner

Acting

Mr. Spock

Leonard Nimoy

Acting

Dr. Leonard 'Bones' McCoy

DeForest Kelley

Acting

Cmdr. Montgomery 'Scotty' Scott

James Doohan

Acting

Lt. Cmdr. Hikaru Sulu

George Takei

Acting

Lt. Pavel Chekov

Walter Koenig

Acting

Lt. Cmdr. Uhura

Nichelle Nichols

Acting

Captain William Decker

Stephen Collins

Acting

Lt. Ilia / The Probe

Persis Khambatta

Acting

Dr. Christine Chapel

Majel Barrett

Acting

CPO Janice Rand

Grace Lee Whitney

Acting

Klingon Captain

Mark Lenard

Acting

Alien Boy

Billy Van Zandt

Writing

Epsilon Technician

Roger Aaron Brown

Acting

Airlock Technician

Gary Faga

Acting

Crew Member

Franklyn Seales

Acting

Klingon Crewman

Joel Kramer

Crew

Cmdr. Branch

David Gautreaux

Acting

Assistant to Rand

John Gowans

Acting

Cargo Deck Ensign

Howard Itzkowitz

Acting

Lt. Cmdr. Sonak

Jon Rashad Kamal

Acting

Chief DiFalco

Marcy Lafferty

Acting

Lieutenant

Michele Povill

Acting

Technician

Jeri McBride

Acting

Chief Ross

Terrence O'Connor

Acting

Lt. Cleary

Michael Rougas

Acting

Woman

Susan O'Sullivan

Acting

Crew Member

Ralph Brannen

Acting

Crew Member

Ralph Byers

Acting

Crew Member

Paula Crist

Crew

Crew Member

Iva Lane

Acting

Crew Member

Momo Yashima

Acting

Klingon Crewman

Jimmie Booth

Acting

Klingon Crewman

Dave Moordigian

Acting

Klingon Crewman

Tom Morga

Acting

Klingon Crewman

Tony Rocco

Acting

Klingon Crewman

Joel Schultz

Acting

Klingon Crewman

Craig Thomas

Acting

Vulcan Master

Edna Glover

Acting

Vulcan Master

Norman Stuart

Crew

Vulcan Master

Paul Weber

Acting

Security Officer

Joshua Gallegos

Acting

Yeoman

Lisa Chess

Acting

Yeoman

Leslie C. Howard

Acting

Technical Assistant

Sayra Hummel

Acting

Technical Assistant

Junero Jennings

Acting

Klingon Crewman (as Bill McTosh)

Bill McIntosh

Crew

Enterprise Computer (voice)

Doug Hale

Acting

Enterprise Crew Member (uncredited)

David Armstrong

Acting

Crew Member (uncredited)

Richard Arnold

Acting

Enterprise Crew Member (uncredited)

Rosanna Attias

Acting

Enterprise Sciences Crew Member (uncredited)

Jerry Best

Acting

Extra (uncredited)

Christopher Doohan

Acting