Before the 1979 hit film Alien was created, there were different versions such as; the original script by Dan O'Bannon, where the film would be called Star Beast, Ripley was going to be male, the original design of the Alien, etc.
Alien (Original Version)
Live Action
for Live Action in Top Canceled Movies
Suggested by matiasramonsanchez
This is a complete Top of the Live Action and Animated movies that were canceled and that we never got to see.
