Colin Firth and two female cast members in The Staircase
TV

The Staircase: Full cast overview for thrilling new Sky drama starring Colin Firth and Toni Collette

Three episodes drop this week

By Nancy Brown
| Updated:

The Staircase starts on Sky Atlantic this Thursday (May 5), with Colin Firth and Toni Collette leading the cast.

Based on a true story

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Colin Firth and Toni Collette in The Staircase

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Two girls looking scared in The Staircase
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Two men looking at a laptop in The Staircase

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Toy young men looking concerned in The Staircase

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Family eating dinner in The Staircase

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Woman eating dinner in The Staircase
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Parker Posey looking stern in The Staircase

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Nancy Brown
Editor

Related Topics

Colin Firth Crime drama Drama Kathleen Peterson Michael Peterson Sky Atlantic The Staircase Toni Collette