William Shatner

Admiral James T. Kirk

Leonard Nimoy

Mr. Spock

DeForest Kelley

Dr. Leonard 'Bones' McCoy

James Doohan

Cmdr. Montgomery 'Scotty' Scott

George Takei

Lt. Cmdr. Hikaru Sulu

Walter Koenig

Lt. Pavel Chekov

Nichelle Nichols

Lt. Cmdr. Uhura

Stephen Collins

Captain William Decker

Persis Khambatta

Lt. Ilia / The Probe

Majel Barrett

Dr. Christine Chapel

Grace Lee Whitney

CPO Janice Rand

Mark Lenard

Klingon Captain

Billy Van Zandt

Alien Boy

Roger Aaron Brown

Epsilon Technician

Gary Faga

Airlock Technician

Franklyn Seales

Crew Member

Joel Kramer

Klingon Crewman

David Gautreaux

Cmdr. Branch

John Gowans

Assistant to Rand

Howard Itzkowitz

Cargo Deck Ensign

Jon Rashad Kamal

Lt. Cmdr. Sonak

Marcy Lafferty

Chief DiFalco

Michele Povill

Lieutenant

Jeri McBride

Technician

Terrence O'Connor

Chief Ross

Michael Rougas

Lt. Cleary

Susan O'Sullivan

Woman

Ralph Brannen

Crew Member

Ralph Byers

Crew Member

Paula Crist

Crew Member

Iva Lane

Crew Member

Momo Yashima

Crew Member

Jimmie Booth

Klingon Crewman

Dave Moordigian

Klingon Crewman

Tom Morga

Klingon Crewman

Tony Rocco

Klingon Crewman

Joel Schultz

Klingon Crewman

Craig Thomas

Klingon Crewman

Edna Glover

Vulcan Master

Norman Stuart

Vulcan Master

Paul Weber

Vulcan Master

Joshua Gallegos

Security Officer

Lisa Chess

Yeoman

Leslie C. Howard

Yeoman

Sayra Hummel

Technical Assistant

Junero Jennings

Technical Assistant

Bill McIntosh

Klingon Crewman (as Bill McTosh)

Doug Hale

Enterprise Computer (voice)

David Armstrong

Enterprise Crew Member (uncredited)

Richard Arnold

Crew Member (uncredited)

Rosanna Attias

Enterprise Crew Member (uncredited)

Jerry Best

Enterprise Sciences Crew Member (uncredited)

Christopher Doohan

Extra (uncredited)

Robert Fletcher

Costume Design

Richard H. Kline

Director of Photography

John Vallone

Art Direction

Harold Michelson

Production Design

Todd C. Ramsay

Editor

Leon Harris

Art Direction

Ve Neill

Makeup Artist

Robert Wise

Director

Gene Roddenberry

Producer

Joseph R. Jennings

Art Direction

Jerry Goldsmith

Original Music Composer

Jon Povill

Producer

Linda DeScenna

Set Decoration

Marvin Paige

Casting

Robert Elswit

Visual Effects Camera

Alan Dean Foster

Story

Harold Livingston

Screenplay

Richard Yuricich

Visual Effects

John Dykstra

Visual Effects

Robert Swarthe

Animation Supervisor

Francesco Lupica

Sound Effects

Ray Mattey

Special Effects Coordinator

Rocco Gioffre

Matte Painter

Richard Foy

Title Designer

Alan Howarth

Sound Effects

Cecelia Hall

Sound Editor

George Watters II

Sound Editor

Dirk Dalton

Sound Effects

Stephen Hunter Flick

Sound Editor

Alex Weldon

Special Effects Coordinator

Alan Robert Murray

Sound Editor

Joel Goldsmith

Sound Effects

Colin Waddy

Sound Editor

Martin Bresin

Special Effects Coordinator

Frank Serafine

Sound Effects

Harry Moreau

Animation

Darrell Pritchett

Special Effects Coordinator

Matthew Yuricich

Matte Painter

Robert Abel

Visual Effects

Tom Overton

Sound Mixer

Rick Stratton

Makeup Effects

Phil Rawlins

Unit Production Manager

Bill Varney

Sound Re-Recording Mixer

Bonnie Prendergast

Script Supervisor

Lindsley Parsons Jr.

Executive In Charge Of Production

Bob Bralver

Stunts

Larry D. Howard

Gaffer

Janna Phillips

Makeup Artist

Kym Washington Longino

Stunts

Fred B. Phillips

Makeup Artist

Richard L. Anderson

Supervising Sound Editor

Tom Morga

Stunt Double

Daniel McCauley

Assistant Director

Steve Maslow

Sound Re-Recording Mixer

Carlos Yeaggy

Makeup Artist

Bill Couch

Stunts

Gregg Landaker

Sound Re-Recording Mixer

Douglas E. Wise

Second Assistant Director

Noyan Cosarer

Sound Re-Recording Mixer

John Hugh McKnight

Stunts

Keith Lane Jensen

Stunts

Douglas Trumbull

Visual Effects

Gene Roddenberry

Original Series Creator

Tom Greene

Production Assistant

Jesco von Puttkamer

Scientific Consultant