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Coverage dated October 15, 2026

Lauren Cohan, Mark O’Brien & Mia Tomlinson Join Prime Video’s ‘Stillwater’ As Series Regulars

Headline from Deadline

Prime Video’s Stillwater has set three for series regular roles opposite lead Ben Hardy: Lauren Cohan (The Walking Dead), Mark O’Brien (The Copenhagen Test), and Mia Tomlinson (The Conjuring: Last Rites). Hailing from Warner Bros.

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2 articles, oldest first.

  1. Deadline

    Lauren Cohan, Mark O’Brien & Mia Tomlinson Join Prime Video’s ‘Stillwater’ As Series Regulars (opens Deadline)

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    Deadline's feed description

    Prime Video’s Stillwater has set three for series regular roles opposite lead Ben Hardy: Lauren Cohan (The Walking Dead), Mark O’Brien (The Copenhagen Test), and Mia Tomlinson (The Conjuring: Last Rites). Hailing from Warner Bros.

  2. Variety

    ‘Stillwater’: Amazon Series Adds Lauren Cohan, Mark O’Brien and Mia Tomlinson to Cast (opens Variety)

    Published

    Variety's feed description

    Lauren Cohan, Mark O’Brien and Mia Tomlinson have joined the cast of “Stillwater,” Amazon Prime Video’s series adaptation of Chip Zdarsky and Ramón K Pérez’s graphic novel. Cohan joins the eight-episode series as Catherine ‘Cat’ Keegan, a former homecoming queen whose small-town charm has sharpened …

Lauren Cohan, Mark O’Brien & Mia Tomlinson Join Prime Video’s ‘Stillwater’ As Series Regulars | Since Then