Latest News About Olivia Thirlby joins Fire Country as season five regular

CBS added Olivia Thirlby to Fire Country as its first series regular in five seasons. Thirlby will join the cast for season five, which stars Max Thieriot. The network announced that change on June 29, 2026. Showrunner Ann Donahue confirmed Thirlby’s role in one statement to Deadline. Thirlby replaces no one; she steps into one newly created position for the show. Production starts after casting closes near Los Angeles. The drama centers on Cal Fire teams battling wildfires in Northern California.

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