Viking 1 (voice)

Dr. McCoy (1 episode)

Dr. Leonard McCoy (archive footage) (uncredited)

McCoy

Dr. Leonard 'Bones' McCoy

Admiral Leonard McCoy (1 episode)

McCoy

Dr. Leonard 'Bones' McCoy

Dr. Leonard 'Bones' McCoy

Self (1 episode)

Dr. Leonard 'Bones' McCoy

Leonard McCoy (voice) (22 episodes)

Elgin Clark

Ben Tully

Matt Silverton (1 episode)

Frank Slater (1 episode)

(1 episode)

Mr. Fowler (1 episode)

Dr. McCoy

Dr. McCoy (79 episodes)

Bill Rile

Dr. David Ingram (1 episode)

Egan (1 episode)

Tully

Toby Jack Saunders

Mr. Williams (1 episode)

Charlie (1 episode)

Mr. Turner

Guy Tavenner

Sheriff Dal Nemo

Sam Corwin

Amos Troop

Phil Wingate (1 episode)

Martin Volet (1 episode)

(1 episode)

Ben Tully (1 episode)

Lt. Beldon (1 episode)

Deakin (1 episode)

Bart Collins (1 episode)

Jack (1 episode)

Elliott Webster (1 episode)

Shad Cullen (1 episode)

Clint Rogers (1 episode)

Martin (1 episode)

Peter Thorpe (1 episode)

Bob Tully (1 episode)

Captain Moss Johnson (1 episode)

Dr. Michael Jons (1 episode)

Tully (2 episodes)

Lt. Clarke (1 episode)

Brock Martin (1 episode)

Styles (1 episode)

(2 episodes)

Barney (1 episode)

Captain Cole Scofield (1 episode)

Alex Jeffords (1 episode)

(1 episode)

Shep Harlow (1 episode)

Sam White (1 episode)

Bent Carr (1 episode)

(1 episode)

Silas Morgan (uncredited) (1 episode)

Sam King (1 episode)

Johnson (1 episode)

Philip Conroy (1 episode)

Sheriff (1 episode)

Kenneth Porter (1 episode)

Curley Burne

Graham Jones (1 episode)

Slate Prell (1 episode)

Sheriff Steve Pax (1 episode)

Ollie Tate (1 episode)

(1 episode)

Marshal (1 episode)

Jake Britin (1 episode)

Wexler

Lt. Comm. Enright (1 episode)

Southern Officer

Perry Grimes (1 episode)

Brock Childers (1 episode)

Ed Crow (1 episode)

Tom Dooley (1 episode)

Lambert

Police Sgt. Miller (2 episodes)

Detective (1 episode)

Morgan Earp

(1 episode)

(1 episode)

Smithwick (1 episode)

Les Porter (1 episode)

Sherm Pickard (1 episode)

Logan Wheeler (1 episode)

Swain (1 episode)

Jim Breck

(1 episode)

Medic (uncredited)

Will Bailey (1 episode)

(2 episodes)

Jim - Hotel Clerk

Dr. Michael Wells (1 episode)

Edward Clary

Charlie (uncredited)

(3 episodes)

(1 episode)

Ralph Sanders (1 episode)

Ted Lance (1 episode)

Bob Vogelin (1 episode)

Bob Richards (1 episode)

Ted Hopkins (1 episode)

Nick Kohler (1 episode)

Eddie Lee

(1 episode)

(1 episode)

(2 episodes)

Fred (uncredited)

Bob Philo (1 episode)

Dr. Sherman (uncredited)

Ted

Lt. Glenson (uncredited)

Bob Kittredge (1 episode)

Doctor Barnes (1 episode)

Sheriff (1 episode)

'Ace' Martin

Aram

Smalley

Bob Rogers

Bob Kirby

Vince Grayson

(1 episode)