Star Trek: The Animated Series

Main Characters

Voice of William Shatner as Captain James T. Kirk
Voice of Leonard Nimoy as Commander Spock
Voice of DeForrest Kelly as Dr. Leonard McCoy
Voice of James Doohan as Lt. Commander Montgomery Scott
Voice of George Takai as Lt. Hikaru Sulu
Voice of Nichelle Nichols as Lt. Uhura

Recurring Characters

Mark Lenard as Sarek

Journey to Babel (TOS)
Yesteryear

Majel Barrett as Amanda

Journey to Babel (TOS)
Yesteryear 

Stanley Adams as Cyrano Jones

The Trouble with Tribbles (TOS)
More Tribbles, More Troubles

James Doohan as Koloth

The Trouble with Tribbles (TOS)
More Tribbles, More Troubles

James Doohan as Gabler

The Survivor
Once Upon A Planet
The Terratin Incident
The Time Trap

Roger C. Carmel as Harry Mudd

Mudd's Women (TOS)
I, Mudd (TOS)
Mudd`s Passion

Majel Barrett as Christine Chapel

several (TOS)
The Lorelei Signal
The Survivor
Mudd`s Passion
The Terratin Incident
The Ambergris Element
The Pirates of Orion
Albatross

James Doohan as Captain Kor

Errand of Mercy (TOS)
The Time Trap

Majel Barrett as Lieutenant M'Ress

The Survivor
Mudd`s Passion
Once Upon A Planet
The Eye of the Beholder
Bem
The Practical Joker

James Doohan as Lieutenant Arex

Beyond the Fartherst Star
One of Our Planets is Missing
The Lorelei Signal
The Infinite Vulcan
Mudd`s Passion
Once Upon A Planet
The Terratin Incident
The Ambergris Element
The Eye of the Beholder
The Pirates of Orion
Bem
The Practical Joker
The Counter-Clock Incident
How Sharper Than A Serpent`s Tooth

James Doohan as Lt. Kyle

several (TOS)
Beyond the Fartherst Star