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Defcon 1 - Cast Appearances

Matthew Casey

Jesse Spencer

as Matthew Casey

Lieutenant Kelly Severide

Taylor Kinney

as Lieutenant Kelly Severide

Paramedic Leslie Shay

Lauren German

as Paramedic Leslie Shay

Lieutenant Christopher Herrmann

David Eigenberg

as Lieutenant Christopher Herrmann

Firefighter Brian "Otis" Zvonecek

Yuri Sardarov

as Firefighter Brian "Otis" Zvonecek

Firefighter Joe Cruz

Joe Miñoso

as Firefighter Joe Cruz

Firefighter Randy "Mouch" McHolland

Christian Stolte

as Firefighter Randy "Mouch" McHolland

Deputy District Chief Wallace Boden

Eamonn Walker

as Deputy District Chief Wallace Boden

Peter Mills

Charlie Barnett

as Peter Mills

Gabriela Dawson

Monica Raymund

as Gabriela Dawson

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