The "Friday Night Lights" and "Nashville" is believed to be playing the role of a 911 operator in the 13-episode procedural drama exploring the experiences of first responders such as police, paramedics and firefighters.
Produced by Murphy and Brad Falchuk, "911" is set to premiere on Fox in 2018.
The Hollywood Reporter noted the series will mark a reunion for Britton and Murphy, who previously worked together on FX's "American Horror Story: Murder House" and "The People v. OJ Simpson: American Crime Story."
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