David Eigenberg

CHICAGO FIRE -- "Natural Born Firefighter" Episode 912 -- Pictured: David Eigenberg as Christopher Herrmann -- (Photo by: Adrian S. Burrows Sr./NBC)

David Eigenberg returns for Sex and the City revival And Just Like That

Chicago Fire’s David Eigenberg talks his new film Killing Eleanor

Chicago Fire season 8 character review: Christopher Herrmann

Chicago Fire season 8 midseason report: Christopher Herrmann

CHICAGO FIRE -- "You Choose" Episode 711 -- Pictured: David Eigenberg as Christopher Herrmann -- (Photo by: Elizabeth Morris)

Chicago Fire season 8 character preview: Christopher Herrmann

CHICAGO FIRE -- "Fault In Him" Episode 716 -- Pictured: (l-r) Christian Stolte as Randy "Mouch" McHolland, David Eigenberg as Christopher Herrmann -- (Photo by: Parrish Lewis)

Chicago Fire season 7 character review: Christopher Herrmann

David Eigenberg appears in the thriller An Acceptable Loss. Photo Credit: Courtesy of Colleen Griffen Chappelle.

Chicago Fire’s David Eigenberg details his role in An Acceptable Loss

CHICAGO FIRE -- "A Volatile Mixture" Episode 705 -- Pictured: David Eigenberg as Christopher Herrmann -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 7 midseason report: Christopher Herrmann

CHICAGO FIRE -- "This Isn't Charity" Episode 704 -- Pictured: (l-r) Christian Stolte as Mouch, David Eigenberg as Christopher Herrmann -- (Photo by: Adrian Burrows/NBC)

Chicago Fire’s David Eigenberg is One Chicago performer of the week

CHICAGO FIRE -- "The Strongest Among Us" Episode 620 -- Pictured: David Eigenberg as Christopher Herrmann -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 7 character preview: Christopher Herrmann

CHICAGO FIRE -- "Hiding Not Seeking" Episode 613 -- Pictured: David Eigenberg as Christopher Herrmann -- (Photo by: Elizabeth Morris/NBC)

Chicago Fire season 6 by character: Christopher Herrmann

CHICAGO FIRE -- "The F is For" Episode 612 -- Pictured: David Eigenberg as Christopher Herrmann -- (Photo by: Elizabeth Morris/NBC)

David Eigenberg’s birthday: Why we love Chicago Fire’s Christopher Herrmann

CHICAGO FIRE -- "The Strongest Among Us" Episode 620 -- Pictured: David Eigenberg as Christopher Herrmann -- (Photo by: Elizabeth Morris/NBC)

David Eigenberg talks Herrmann’s ‘really tough’ storyline

CHICAGO MED -- "Timing" Episode 118 -- Pictured: Jeff Hephner as Jeff Clarke -- (Photo by: Elizabeth Sisson/NBC)

Jeff Hephner, David Eigenberg cast in Joe Chappelle’s The Pages