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Colin Firth and Toni Colette face off in tense trailer for 'The Staircase'
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'The Staircase' is now streaming on HBO Max — here's how to watch the true-crime miniseries starring Colin Firth and Toni Collette
Michael Peterson (Colin Firth) finds his life thrown into a frenzy when he discovers his wife Kathleen (Toni Collette) unconscious at the bottom of their stairs. She is later declared dead — and ...