Happy birthday to Patrick John Flueger, the talented actor who has spent over a decade bringing depth, grit, and rare emotional honesty to Detective Adam Ruzek on Chicago P.D.. As one of the longest-running cast members still standing in the turbulent world of the 21st District, Flueger has become the emotional anchor of the series — and today, fans are celebrating the man who helped turn Ruzek into one of One Chicago’s most beloved characters.
A Decade of Ruzek: From Rookie to Veteran
When Chicago P.D. first premiered, Ruzek was the fast-talking, impulsive young recruit who constantly tested Voight’s patience. But thanks to Flueger’s layered performance, the character has evolved into one of the show’s most grounded, loyal, and emotionally complex detectives. Whether navigating heartbreak, betrayal, or near-death moments, Flueger has guided Ruzek through some of the series’ most unforgettable arcs.
Why Fans Love Him
There’s a reason Ruzek remains a fan favorite: Flueger brings a raw, vulnerable charm to the role that sets him apart in a unit full of hardened cops. His chemistry with the cast — especially Marina Squerciati’s Kim Burgess — continues to be one of the franchise’s strongest emotional threads.
A Birthday Worth Celebrating
As Chicago P.D. enters new eras, cast changes, and darker storylines, Patrick Flueger remains one of the steady pillars of the show — a reminder of the heart beneath the badge. Today, fans across the One Chicago universe are sending love his way.
Happy birthday, Patrick Flueger — here’s to more twists, more action, and many more years in the 21st District.
