| cast |
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| Series Regulars | |||
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| Tom Weston-Jones | Tom Weston-Jones as Kevin Corcoran | Kyle Schmid | Kyle Schmid as Robert Morehouse |
| Anastasia Griffith | Anastasia Griffith as Elizabeth Haverford | Franka Potente | Franka Potente as Eva Heissan |
| Ato Essandoh | Ato Essandoh as Doctor Matthew Freeman | Kevin Ryan | Kevin Ryan as Detective Francis Maguire |
| Tessa Thompson | Tessa Thompson as Sara Freeman | Dylan Taylor | Dylan Taylor as Andrew O'Brien |
| Ron White (I) | Ron White (I) as Captain Ciaran Joseph Sullivan | David W. Keeley | David W. Keeley as Sergeant Padraic Byrnes |
| Kiara Glasco | Kiara Glasco as Annie Reilly | Tanya Fischer | Tanya Fischer as Molly Stuart |