History Trivia / Trog

*** A later Trog's Cave shows Trog imagining destroying the bones barricading off parts of the later islands. This is a leftover from prototypes in which the Trogs could smash placed bones and make it more difficult to trap them, but in the final game they never obtain the ability to destroy bones in any capacity.

* WhatCouldHaveBeen: In the prototype, the player didn't control his/her dino directly, instead, they laid bones in the dino's path to force it to turn. This however proved to be too confusing, so a more conventional control system was implemented where the player assumed direct control over their dino instead.

* CreatorBacklash: Creator/JoanCrawford immediately disowned the film upon its release.

* UrbanLegendOfZelda: Joan Crawford allegedly drank Pepsi bottles full of vodka to be able to say the film's dialogue with a straight face.

* CreatorBacklash: Joan Crawford immediately disowned the film upon its release.

* NoBudget: The budget was so tight that actors supplied their own costumes, and filming had to be abruptly stopped due to cuts.
* ProductionPosse: Joan Crawford and Michael Gough had starred in ''{{Film/Berserk}}'', produced by Herman Cohen as well.

* RealitySubtext: Dr. Brockton sadly walking away from the press at the end of the movie feels like an even harsher ending when one remembers that this was Joan Crawford's last film role. It's not hard to read the scene as a metaphor for Crawford resigning herself to turning her back on Hollywood.
* StuntCasting: John Hamill, who played Cliff, was cast entirely so he could strip to his underwear. He was one of England's top [[MrFanservice physique models]] in the 60s.

* ProductPlacement: Terrified people run past a Pepsi stand, as Joan Crawford was part of the brand's board of directors.

* StockFootage: The dinosaur scenes were from a 1955 film ''The Animal World''.

* OldShame: Inverted in that it was her last film, but Joan Crawford disowned it.
--> "If I weren't a Christian scientist and I saw ''Trog'' advertised on a marquee across the street, I think I'd contemplate suicide."

* SavedFromDevelopmentHell: Originally, "bone placement and guide dinosaurs" gameplay was to be used the release version, but after being unpopular with testers, it was planned to be shelved and never see a wide release. Then, at the hands of one of the testers, it was suggested that the dinosaurs were directly controlled instead of the color-coded hands and the gameplay retooled into something akin to ''Videogame/PacMan''. The idea stuck and the game's ruleset was altered as a result.

* OrphanedReference: The Trog's Cave intermissions have a few odd qwirks leftover from the prototypes:
** The first Trog's Cave sets up Trog's motive for wanting to hunt the dinos, and sure enough they start spawning on the next level afterwards. In the final game, they spawn right from the first island as there is no sequence of practice levels
** A later Trog's Cave shows Trog imagining destroying the bones barricading off parts of the later islands. This is a leftover from prototypes in which the Trogs could smash placed bones and make it more difficult to trap them, but in the final game they never obtain the ability to destroy bones in any capacity.
* WhatCouldHaveBeen: In the prototype, the player didn't control his/her dino directly, instead, they laid bones in the dino's path to force it to turn. This however proved too confusing, so a more conventional control system was implemented where the player assumed direct control over their dino instead.

* OrphanedReference: One of the Trog's Cave intermissions shows Trog imagining destroying the bones barricading off parts of the later islands. This is a leftover from prototypes in which the Trogs could smash placed bones and make it more difficult to trap them, but in the final game they never obtain the ability to destroy bones in any capacity.

* OrphanedReference: One of the Trog's Cave intermissions shows Trog imagining destroying the bones barricading off parts of the later islands. This is a leftover from prototypes in which the Trogs could smash placed bones and make it more difficult to trap them, but in the final game they never inherit this ability.

* SavedFromDevelopmentHell: Originally, the "bone placement and guide dinosaurs" game mode was to be the release version, but after being unpopular with testers, it was planned to be shelved and never see a wide release. Then, at the hands of one of the testers, it was suggested that the dinosaurs were directly controlled instead of the color-coded hands and the gameplay retooled into something akin to ''Videogame/PacMan''. The idea stuck and the game's ruleset was altered as a result.

* PropRecycling: Trog's costume was a leftover monkey suit from ''TwoThousandAndOneASpaceOdyssey''.

* WhatCouldHaveBeen: The film was originally going to be titled ''The Missing Link''.