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Mercy

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Firehouse 51 must band together after a devastating fire catches them off guard.

Episode Info

Number: Season 14, Episode 4
Airdate: Wednesday Oct 22, 2025 at 21:00
Runtime: 60 minutes

Writer: Alec Wells
Director: Reza Tabrizi

8.1 (19 votes)

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Guest Cast

Firefighter Harold Capp

Randy Flagler

as Firefighter Harold Capp

Firefighter Tony Ferraris

Anthony Ferraris

as Firefighter Tony Ferraris

Cindy Herrmann

Robyn Coffin

as Cindy Herrmann

Captain Tom Van Meter

Tim Hopper

as Captain Tom Van Meter

Gonzalo Menendez

Gonzalo Menendez

as Ramon "Ray" Vasquez

Hero Hunter

Hero Hunter

as Isaiah

Annabelle Herrmann

Amanda Calabrese

as Annabelle Herrmann

Max Herrmann

Keller Kennedy

as Max Herrmann

Kenny Herrmann

John William Adams III

as Kenny Herrmann

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Cast Appearances

Kelly Severide

Taylor Kinney

as Kelly Severide

Christopher Herrmann

David Eigenberg

as Christopher Herrmann

Randy "Mouch" McHolland

Christian Stolte

as Randy "Mouch" McHolland

Stella Kidd

Miranda Rae Mayo

as Stella Kidd

Violet Mikami

Hanako Greensmith

as Violet Mikami

Lizzy Novak

Jocelyn Hudon

as Lizzy Novak

Sal Vasquez

Brandon Larracuente

as Sal Vasquez

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Episode Discussion

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