Line Of Fire Gives Peter Krause The Story That 9-1-1 Never Did

Published Nov 10, 2026, 11:00 AM EST

Mads Misasi is an entertainment journalist and marketing content creator. Before joining the ScreenRant team they wrote for TellTaleTV for 9 years working their way up from contributor to Associate Editor. TV has been a passion of theirs since a very young age. Mads typically watches all of the things, especially dramas and sitcoms.

Warning! Spoilers ahead for Line of Fire season 1, episode 7.Peter Krause spent eight seasons portraying Bobby Nash on 9-1-1, becoming one of television's most recognizable first responders. As captain of the 118, Bobby was defined by his dedication to protecting others, even when doing so meant putting his own life at risk. His unwavering commitment to his responsibilities made him a natural leader and one of the show's most beloved characters.

Krause's return to network television in NBC's Line of Fire introduces another character whose career revolves around protecting others. As Secret Service agent Mike Hollingsworth, Krause once again portrays a man who takes his responsibilities seriously, although his latest role offers a different examination of professional loyalty.

Line of Fire season 1, episode 7, "Guest List," reveals that former President Barnes knew about the conspiracy surrounding his staged assassination attempt. The revelation forces Mike to confront the fact that his loyalty to Barnes has potentially compromised his judgment and professional integrity.

While Bobby Nash encountered numerous personal and professional challenges throughout 9-1-1, he never faced this particular crisis of loyalty. Mike's predicament gives Krause an opportunity to explore the consequences of unwavering dedication in ways that his previous first responder role never demanded.

Peter Krause's Mike Grapples A Loyalty Crisis In Line Of Fire

NBC Universal

So far on Line of Fire season 1, Mike Hollingsworth's loyalty to former President Thomas Barnes (Sam Waterston) has been one of his defining characteristics. Even after leaving his position as Barnes's protector, Mike remains determined to uncover the truth about the assassination attempt that nearly killed him. His investigation is motivated by a belief that Barnes was an innocent victim of a larger conspiracy, making the former president's involvement particularly devastating.

However, Line of Fire Season 1, Episode 7, "Guest List," challenges the very qualities that make Mike Hollingsworth such an effective Secret Service agent. After spending years building his career around protecting others, Mike finds himself questioning whether his dedication has been misplaced. It's a difficult realization for someone whose personal and professional identities are so closely connected to his responsibility to serve.

What makes this betrayal especially significant is that Mike's dedication to protecting others has always been presented as one of his greatest strengths. However, Line of Fire demonstrates that loyalty becomes dangerous when it prevents someone from questioning the people they serve. Mike's commitment to Barnes ultimately allowed the former president to exploit their relationship, turning a quality that defines Mike's professional identity into a potential liability.

The consequences extend beyond the immediate conspiracy. Mike must now reconsider how he approaches his responsibilities and whether the trust he places in powerful individuals is always justified. For Peter Krause, this creates a compelling character conflict that builds upon the protective instincts audiences previously associated with Bobby Nash while exploring a distinctly different kind of professional crisis.

9-1-1's Bobby Never Faced The Same Issue As Krause's Line Of Fire Character

©ABC/Disney / Courtesy MovieStillsDB

Throughout his eight seasons in 9-1-1, Bobby Nash faced countless moments that tested his leadership, personal convictions, and commitment to helping others. Whether confronting the guilt surrounding his past or making difficult decisions as captain of the 118, Bobby consistently prioritized the safety of those around him. His loyalty to his fellow firefighters was central to his character, but it rarely came into conflict with the principles that guided his career.

Unlike Mike Hollingsworth, Bobby never had to confront the possibility that someone he had dedicated his professional life to protecting was deliberately exploiting his trust. While 9-1-1 frequently challenged Bobby's judgment, those conflicts generally revolved around his willingness to sacrifice himself for others rather than questioning whether those individuals deserved his loyalty. His dedication could come at a personal cost, but the series largely treated it as something admirable.

That distinction makes Mike's storyline in Line of Fire particularly compelling. Both characters are natural protectors who believe strongly in their responsibilities, but Mike's relationship with Barnes introduces a moral complication that Bobby never experienced in quite the same way. Mike must grapple with the realization that fulfilling his duty to someone does not necessarily mean that person shares his values or deserves his personal trust.

This represents an opportunity to explore a different side of the dependable authority figure Krause portrayed so successfully on 9-1-1. Bobby's story was often about learning to forgive himself and accepting that he deserved the same protection and compassion he offered others. Mike's journey, meanwhile, challenges him to recognize the limitations of his loyalty and reconsider what it means to serve someone whose actions contradict his principles.

Although Bobby's death brought Krause's time on 9-1-1 to an emotional conclusion, Line of Fire demonstrates that the actor still has plenty to offer within the first responder genre. Rather than simply recreating Bobby Nash in a different uniform, the NBC drama takes the qualities that made Krause's previous character so compelling and examines what happens when those same strengths become weaknesses.

Line of Fire