Species 2 1998
An astronaut gets infected with alien DNA during the first mission on Mars and runs amok on earth. The surviving team members from the first film team up with a peaceful, genetically re-engineered Sil to track the monster down.
Nancy La Scala seen fully nude as she has sex with a guy and then rolls off to let her sister, played by Raquel Gardner and also nude, have her turn with him.
Sarah Wynter climbing on top of a guy and letting her nighty slip off to reveal her breasts before she leans over to kiss him.
Felecia Deel playing a stripper and spreading her legs wide open during her topless pole dance.
Natasha Henstridge removing her dress to go nude as we see her approach a guy and then embrace him as they begin to have sex.