Sam Waterston, Campbell Scott and Chris Chalk were announced as guest stars in NBC’s upcoming drama Line of Fire, Deadline reported. The series centres on the Hollingsworth family, whose members work across the FBI, US Marshals, Secret Service and Department of Justice. Peter Krause and Hope Davis play parents Mike and Jane Hollingsworth. A case that initially seems straightforward develops into a deadly conspiracy, pushing the family to use its professional experience to protect one another. Waterston was cast as former president Thomas Barnes, who shares a close connection with Mike. Scott would portray Terry, a United States senator and Jane’s boyfriend, who wants their relationship to progress despite her competing commitments. Chalk was playing President Kayana, a decisive leader concerned about his political standing. Other series regulars included Kat Cunning, Tommy O’Brien, Taylor Bloom and Charlie Barnett. Creator Joshua Safran was executive producing with Jenna Bush Hager and Ben Spector. Universal Television was identified as the studio behind the production.