Star Trek S1E9 — Dagger of the Mind

7.4

Star Trek•Season 1•Episode 9

Dagger of the Mind

7.4/10 · 5,211 votesNov 3, 196650 min

Ranked #19 of 29 in Season 1•−0.2 vs season avg

When a wild eyed maniac escaping from the Tantalus Penal Colony turns out to be one of the psychiatric staff, Kirk investigates the institution and discovers a chilling exercise in mind control.

Directed byVincent McEveety

Written byShimon Wincelberg

Previous episodeE8 · Miri Next episodeE10 · The Corbomite Maneuver

Seasons3

Cast6

William Shatner

William Shatner

James T. Kirk

Leonard Nimoy

Leonard Nimoy

Spock

DeForest Kelley

DeForest Kelley

Dr. McCoy

James Doohan

James Doohan

Scott

George Takei

George Takei

Sulu

Nichelle Nichols

Nichelle Nichols

Uhura

Crew12

S

Shimon Wincelberg

Writer

Vincent McEveety

Vincent McEveety

Director

G

Gerald Perry Finnerman

Director of Photography

R

Rolland M. Brooks

Art Direction

W

Walter M. Jefferies

Art Direction

Alexander Courage

Alexander Courage

Music

B

Bruce Schoengarth

Editor

W

William Ware Theiss

Costume Design

I

Irving A. Feinberg

Property Master

J

Joseph G. Sorokin

Sound Editor

F

Fred B. Phillips

Makeup Artist

V

Virginia Darcy

Hairstylist

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Episode Summary

"Dagger of the Mind" is episode 9 of Star Trek season 1. It scored 7.4/10 from 5,211 votes, ranking #19 of 29 episodes this season (season average 7.6). Directed by Vincent McEveety and written by Shimon Wincelberg, it aired on November 3, 1966.

Next: E10 · The Corbomite Maneuver Best of Season 1