Whitney was a known entity to Roddenberry having worked with him before and had worked quite extensively in TV before.
Based on salary, her "billing" seems correct.
Grace Lee Whitney came on board as Janice Rand, the Captain’s Yeoman. She was 35. A former stage dancer with more than three dozen credits in television and film, she had recently played a ...
Yes, the "three foot" model was used to film some special effects scenes of the U. S. S. Enterprise in outer space.
The "three-foot" model (actually 33 inches long instead of 36 inches) was completed and delivered on December 14, 1964, and was used to film all the special effects shots of the Enterprise in space in "The Cage", the first pilot film, up to ...
I can't find any information on the specific prop (source: These Are The Voyages: Vol 3 by Marc Cushman) but my understanding is that the shots of the Enterprise used in the opening credits, orbiting planets etc were done using a much larger model.
The prop in question appears too small for close up work on film and was likely made for the episode or pre-...
She was originally intended to have a much larger role in the show, but was slowly written out when plans changed. She was released from her contract entirely after eight episodes.
The Wikipedia article for Grace Lee Whitney has all the details (sourced from her own memoir.)
The main difference between Mudd-Androids and Soong-Androids is that
Mudd-Androids were created by a long dead alien race in the Andromeda
galaxy, while Soong-Androids were the first real human built, and
seemingly sentient Androids.
Not true. In the Star Trek episode "Requiem For Methuselah", Captain Kirk encountered an android far more human than "...
Actually nobody knows for sure when the Romulans split off from the Vulcans, but it must have been a very long time ago.
To summarize a long answer, the Vulcans and the Romulans should have separated several thousand years before Christ.
In the original Romulan episode "Balance of Terror" 15 December 1966, Spock says:
SPOCK: Referring to the map on ...