| cast |
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| Series Regulars | |||
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| Jason George | Jason George as Dr. Otis Cole | Jonathan Castellanos | Jonathan Castellanos as Charlie |
| Caroline Dhavernas | Caroline Dhavernas as Dr. Lily Brenner | Zach Gilford | Zach Gilford as Dr. Tommy Fuller |
| Martin Henderson | Martin Henderson as Dr. Ben Keeton | Valerie Cruz | Valerie Cruz as Dr. Zitajalehrena "Zee" Alvarez |
| Mamie Gummer | Mamie Gummer as Dr. Mina Minard | Rachelle Lefevre | Rachelle Lefevre as Dr. Ryan Clark |
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| Recurring & Guests | |||
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| Aimee Garcia | Aimee Garcia as Alma | | |