- Mark Wahlberg Sgt. Tommy Saunders
- Kevin Bacon Richard DesLauriers
- John Goodman Comisario Ed Davis
- J.K. Simmons Sargento Jeffrey Pugliese
- Michelle Monaghan Carol Saunders
- Melissa Benoist Katherine Russell
- Alex Wolff Dzhokhar Tsarnaev
- Lana Condor Li
- James DuMont Director MEMA
- Rachel Brosnahan Jessica Kensky