| cast |
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| Series Regulars | |||
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| Bill Smitrovich | Bill Smitrovich as Winston Jarvis | Blair Underwood | Blair Underwood as President Martinez |
| Clifton Collins Jr. | Clifton Collins Jr. as Thomas | Ian Anthony Dale | Ian Anthony Dale as Simon Lee |
| Jason Ritter | Jason Ritter as Sean Walker | Laura Innes | Laura Innes as Sophia Maguire |
| Lisa Vidal | Lisa Vidal as Christina Martinez | Sarah Roemer | Sarah Roemer as Leila Buchanan |
| Sayeed Shahidi | Sayeed Shahidi as David Martinez | Scott Patterson | Scott Patterson as Sean's father-in-law |
| Taylor Cole | Taylor Cole as Vicky | Wes Ramsey | Wes Ramsey as Greg Kervin |
| Željko Ivanek | Željko Ivanek as Blake Sterling | | |
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| Recurring & Guests | |||
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| Hal Holbrook | Hal Holbrook as Dempsey | | |