| cast |
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| Series Regulars | |||
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| Noah Wyle | Noah Wyle as Tom Mason | Moon Bloodgood | Moon Bloodgood as Anne Glass |
| Drew Roy | Drew Roy as Hal Mason | Seychelle Gabriel | Seychelle Gabriel as Lourdes |
| Maxim Knight | Maxim Knight as Matt Mason | Will Patton | Will Patton as Captain Weaver |
| Peter Shinkoda | Peter Shinkoda as Dai | Connor Jessup | Connor Jessup as Ben Mason |
| Mpho Koaho | Mpho Koaho as Anthony | Colin Cunningham | Colin Cunningham as John Pope |
| Sarah Sanguin Carter | Sarah Sanguin Carter as Margaret | | |
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| Recurring & Guests | |||
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| Jessy Schram | Jessy Schram as Karen | Ryan Robbins | Ryan Robbins as Tector |
| Brandon Jay McLaren | Brandon Jay McLaren as Jamil Dexter | | |