Nellie Andreeva, Denise Petski Daniel Kyri, who has been heavily recurring on Chicago Fire since Season 7 as rookie firefighter Darren Ritter, has been promoted to series regular for the upcoming ninth season.Kyri has appeared almost every episode of Chicago Fire since he made his debut in the second episode of Season 7 for a total of 36 episodes to date.“Very excited Daniel is going to be a series regular this year, said series co-creator/executive producer Derek Haas. “Ritter has become a big part of Firehouse 51, and Daniel plays him with a sincerity and depth that always makes the room excited to write for him.
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