- Josh Brolin Sgt. John O'Mara
- Ryan Gosling Sgt. Jerry Wooters
- Sean Penn Mickey Cohen
- Nick Nolte Jefe Bill Parker
- Emma Stone Grace Faraday
- Anthony Mackie Agente Coleman Harris
- Giovanni Ribisi Agente Conway Keeler
- Michael Peña Agente Navidad Ramirez
- Robert Patrick Agente Max Kennard
- Mireille Enos Connie O'Mara
- Sullivan Stapleton Jack Whalen
- Holt McCallany Karl Lockwood
- Josh Pence Agente Darryl Gates
- James Carpinello Johnny Stomp
- Frank Grillo Jimmy Reagan
- Austin Abrams Pete
- Esther Scott Letty
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