Seda took to social media over the weekend to address his departure, and he paid tribute to his fellow cast members and the fans of the show.
“It’s been an honor portraying Det. Antonio Dawson in the #OneChicago world,” Seda wrote.
“To my cast #Family, I’ll always treasure the time and stories we shared. To all you #chihards out there, Thank You for being the best of fans! We’ll Always have Chicago.”
Related: One Chicago Shakeup: Jon Seda, Colin Donnell Among Departures
Many were taken by surprise by the exit news, which dropped on Friday courtesy of Deadline.
Seda first appeared on Chicago Fire in the role of Antonio Dawson, before becoming an original cast member on Chicago P.D.
It’s been an honor portraying Det.