5 worst dads from Chicago Fire, Med and PD ranked bad to downright awful

SANTA MONICA, CA - JUNE 08: D.W. Moffett speaks at Global Green USA's Millennium Awards at Fairmont Miramar Hotel on June 8, 2013 in Santa Monica, California benefiting the places, the people and the planet in need. (Photo by Charley Gallay/Getty Images for Global Green)
SANTA MONICA, CA - JUNE 08: D.W. Moffett speaks at Global Green USA's Millennium Awards at Fairmont Miramar Hotel on June 8, 2013 in Santa Monica, California benefiting the places, the people and the planet in need. (Photo by Charley Gallay/Getty Images for Global Green) /
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One Chicago
Treat Williams as Benny Severide in Chicago Fire. Photo Credit: Courtesy of NBC /

Father’s Day is an occasion to celebrate our dads and everything that they do for us—unless, of course, you’re in One Chicago.

Many of the fathers depicted in Chicago Fire and Chicago PD as well as Chicago Med are not the best parents. It’s safe to say that they will never be Father of the Year candidates, with how much drama they bring to the lives of their sons and daughters whenever they appear in an episode.

We have lots of great sibling relationships, but our father and children dynamics have plenty of room for improvement.

While there are some amazing dads within the One Chicago franchise such as Cruz and Herrmann, many of the fathers on the show are characters who have made huge mistakes, can’t see outside of their own heads, or just think that the world is supposed to be all about them.

A few of them evolved into characters that audiences love to hate—which is why this Father’s Day we’re answering the question of which father in our fandom is the one we definitely wouldn’t be celebrating on Father’s Day.

Who is the worst of the worst when it comes to bad dads in the One Chicago franchise? Let’s dive into our ranking of the worst One Chicago dads ranked from bad to downright awful!

One Chicago
CHICAGO MED — “Generation Gap” Episode 220 — Pictured: (l-r) Louis Herthum as Pat Halstead, Nick Gehlfuss as Will Halstead — (Photo by: Elizabeth Sisson/NBC) /

5. Pat Halstead, Chicago Med/PD

Pat Halstead (Louis Herthum) is the father of both Chicago Med‘s Dr. Will Halstead (Nick Gehlfuss) and Chicago PD‘s Jay Halstead (Jesse Lee Soffer), which is why we’re giving him credit for both even though he only appeared in the Chicago Med season 2 episode “Generation Gap.” And that episode taught us that while he’s difficult, he’s not a bad guy.

Based on Will’s reactions early in that episode, it was clear that his relationship with his father was strained, and that Pat was not happy with Will despite the fact that his son had clawed his way up from Canaryville to become a doctor. So we were actively prepared to dislike Pat Halstead, as he became his son’s most frustrating patient.

But thanks to Louis Herthum’s nuanced performance, we gradually began to see that Pat wasn’t as bad as he seemed. He was just unable to truly connect with his son and understand Will’s life choices because he came from a blue-collar background that wasn’t the same. By the end of the episode, the two of them finally got on the same page and Pat admitted that he was proud of his son.