which 2 actors have been killed by an alien, terminator, and predator?
The 2 actors who have played characters who were killed in a movie by an Alien, the Terminator, and a Predator are Bill Paxton and Lance Henriksen.
In the first Terminator, Bill Paxton plays a punk who is killed by the Terminator early in the movie, when the Terminator first arrives from the future. Lance Henriksen is later killed by the Terminator in the same movie, in which he plays a policeman who is gunned down in an assault on a police station by the Terminator. Their characters are both killed by aliens in the movie Aliens, near the end of the movie.
Bill Paxton's character is killed by a Predator in Predator 2 when he is attacked by the Predator on the subway in Los Angeles. Lance Henriksen is killed by a Predator in the 2004 film Alien vs. Predator. Bill Paxton was the first to have the distinction, as he had played characters killed by an alien, the Terminator, and a Predator by the time Predator 2 was filmed in 1990.
Oddly enough, all of their characters' deaths took place in three distinct locations - Los Angeles, the fictional moon LV-426, and Antarctica. Some may say Henriksen's character in Aliens wasn't really killed, because he was an android and was just ripped in half. But many say it should count because it was mostly destroyed. Also, he is later shut down permanently by Ripley in Alien 3, due to the severe damage he received from the Alien.