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What Went Wrong - Cast Appearances

Matthew Casey

Jesse Spencer

as Matthew Casey

Lieutenant Kelly Severide

Taylor Kinney

as Lieutenant Kelly Severide

Lieutenant Christopher Herrmann

David Eigenberg

as Lieutenant Christopher Herrmann

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

Paramedic Sylvie Brett

Kara Killmer

as Paramedic Sylvie Brett

Lieutenant Stella Kidd

Miranda Rae Mayo

as Lieutenant Stella Kidd

Paramedic Emily Foster

Annie Ilonzeh

as Paramedic Emily Foster

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