The Man Trap: Directed by Marc Daniels. With William Shatner, Leonard Nimoy, Jeanne Bal, Alfred Ryder. Dr. McCoy discovers his old flame is not what she seems after crew members begin dying from a sudden lack of salt in their bodies.

"Star Trek" The Man Trap (TV Episode 1966) cast and crew credits, including actors, actresses, directors, writers and more.

The "salt vampire" is quite well-done as a "rubber suit" monster, and was on display at the old "Star Trek" exhibit in Las Vegas. Thankfully, they abandoned the "monster of the week" concept almost at once on Star Trek.

Nancy has been replaced by a shape-shifting creature forced to survive by extracting the salt from the bodies of members of the crew, killing them. Kirk beams back up with McCoy and Darnell. A proper check reveals Darnell has no salt in his body.

The body, when investigated, is lacking salt. Mrs. Crater is really worried that their salt supply is dissipated. Soon even more bodies are found. The thing is a shape-changer and it begins to find ways of attacking crew members to remove its salt.

Mr. Spock : Supplies of salt have been set out as bait at all decks and engineering levels, Captain. However, no one or nothing has approached them as yet.

Although this was the first episode to air on NBC, it was actually the sixth episode produced. NBC chose to air this episode first because they felt that it had more action than any of the first 5 episodes and it also featured a monster.

"Star Trek" The Man Trap (TV Episode 1966) - Dr. McCoy's handheld "medical scanners" were actually modified salt and pepper shakers, purchased originally for use in "The Man Trap" in which a character was seen using a salt shaker.

Dr. McCoy discovers his old flame is not what she seems after crew members begin dying from a sudden lack of salt in their bodies.

"Obsession" is an intriguing Star Trek episode that dives into Captain Kirk's past, shedding light on a traumatic event that has haunted him since his days as a young officer.