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"The Alternative Factor"
Series Star Trek
Season 1, Episode 27
Air date March 30th, 1967
Writers Don Ingalls
Director Gerd Oswald
Producers Gene L. Coon; Gene Roddenberry; Robert H. Justman
Starring William Shatner; Leonard Nimoy
Episode guide
Previous
"Errand of Mercy"
Next
"The City on the Edge of Forever"

"The Alternative Factor" is the twenty-seventh episode of season one of the 1960s science fiction television series Star Trek. It was directed by Gerd Oswald with a teleplay written by Don Ingalls. It first aired on NBC on March 30th, 1967.

Cast Edit

Starring Edit

Actor Role
William Shatner Captain James T. Kirk
Leonard Nimoy Science Officer Spock

Guest Starring Edit

Actor Role
Robert Brown Lazarus

Featuring Edit

Actor Role
DeForest Kelley Leonard McCoy
Janet MacLachlan Charlene Masters

With Edit

Actor Role
Nichelle Nichols Nyota Uhura
Richard Derr Commodore Bartstow
Arch Whiting Assistant engineer
Christian Patrick Transporter chief
Eddie Paskey Ed Leslie

Notes & Trivia Edit

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  • The production code number for the episode.
  • Home video availability for the episode (VHS, DVD, Blu-ray, etc.), as well as which services provide digital download copies and/or streaming video services.
  • The rating for the episode (TV-14, TV-MA, etc.)
  • How many episodes in this series the director may have worked on.
  • How many episodes in this series the writer may have worked on.
  • Unique spelling or mis-spelling of selected cast and crew member, which may differ from how they are identified in other works.
  • Character appearances and other annotations.

Allusions Edit

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Quotes Edit

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See also Edit

Media

The World of Star Trek

Star Trek miscellaneous

External Links Edit