Xtro

A farmer who is abducted by a bright light and returns years later as a half-human, half-alien being. He struggles with memory loss and a growing alien presence, using new powers to influence his son and protect his family, even as his humanity wanes. His alien form and actions culminate in leading Tony toward the alien light and departing with him to the alien world.

Tony's mother who, along with her partner Sam, tries to keep the family safe after Sam's return. She navigates fear and confusion as the alien events unfold, ultimately facing the danger of Sam's transformation and the chaotic consequences for her household.

A boy living with his mother in London who experiences recurring nightmares and discovers he has powerful paranormal abilities. He uses his powers to defend himself and others, animating toys into life and influencing events around him, including the fate of Analise and Joe.

A French au pair caring for Tony who becomes entangled in the alien lifecycle. She is knocked out by the living clown and used as a womb for alien eggs, becoming a pivotal figure in the reproduction process.

Rachel's American boyfriend who is present in the household and ultimately killed by Sam's alien scream during a tense confrontation on a hillside.

Analise's partner who is killed by a panther while attempting to flee an escalation caused by Tony's powers.

A sentient toy clown brought to life by Tony's powers, which attacks Analise and becomes a dangerous symbol of the alien parasite's manipulation of ordinary objects.

The alien's formidable adult form that emerges from the seed, embodying the physical threat and mystery of the extraterrestrial life already implanted in the human world.