The Copycat Killer movie poster used as film imagery for the Eleanor 'Ellie' Douglas guideFILM POSTER · The Copycat Killer

The Copycat Killer (2026)

Eleanor 'Ellie' Douglas

Film guide, starting point, and performer.

Eleanor 'Ellie' Douglas in The Copycat Killer (2026), played by Melissa O'Neil.

Film guide · 1 film · 2026 · 1 performer

THE MOVIE

Eleanor 'Ellie' Douglas on screen

One focused screen portrayal, with the performer and movie linked directly below.

Film guide · 1 film · 2026
About the scores

Scores shown are MoviHero movie-guide scores. Missing scores stay blank, and tied top scores remain tied.

  1. 01The Copycat Killer poster
    Start hereThe Copycat Killer

    2026

    Portrayed by Melissa O'Neil · screen performanceMovie guide
    MoviHero score78/100WORTH IT

THE PERFORMANCE

Who plays Eleanor 'Ellie' Douglas?

Meet the performer and open their full MoviHero profile. Coverage below refers to linked movie guides in this sequence.

Melissa O'Neil portraitMelissa O'Neilscreen performance

Melissa O'Neil plays Eleanor 'Ellie' Douglas in The Copycat Killer.

1 linked movie guide in this sequence

FILM AND PERFORMER CREDITS

Eleanor 'Ellie' Douglas screen credits

Screen credits: The Copycat Killer (2026) — Melissa O'Neil as Eleanor 'Ellie' Douglas.

WHO TO EXPLORE NEXT

Characters connected on screen

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KEEP EXPLORING

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Open The Copycat Killer guide