Michael Shannon ( Michael Shannon )

Richard Kuklinski

Winona Ryder ( Winona Ryder )

Deborah Kuklinski

Ray Liotta ( Ray Liotta )

Roy Demeo

Chris Evans ( Chris Evans )

Robert Pronge

David Schwimmer ( David Schwimmer )

Josh Rosenthal

James Franco ( James Franco )

Marty Freeman

Stephen Dorff ( Stephen Dorff )

Joey Kuklinski

Robert Davi ( Robert Davi )

Leo Marks

John Ventimiglia ( John Ventimiglia )

Mickey Scicoli

Danny A. Abeckaser ( Danny A. Abeckaser )

Dino Lapron

Ryan O'Nan ( Ryan O'Nan )

Terry Franzo

McKaley Miller ( McKaley Miller )

Anabel

Hector Hugo ( Hector Hugo )

Tender Bar Earl

Zoran Radanovich ( Zoran Radanovich )

Jimmy

Shira Vilensky ( Shira Vilensky )

Coffee Shop Waitress

Kelly Lind ( Kelly Lind )

Hospital Nurse

John P. Fertitta ( John P. Fertitta )

Uncle Bill

Erin Cummings ( Erin Cummings )

Ellen

Jimmy Lee Jr. ( Jimmy Lee Jr. )

Homeless Man

Johnny Martin ( Johnny Martin )

Mareilli

Nick Gomez ( Nick Gomez )

Alvaro

Vincent Fuentes ( Vincent Fuentes )

JC

Brian Kinney ( Brian Kinney )

Slick BMW Guy

Ashlynn Ross ( Ashlynn Ross )

Alex

Weronika Rosati ( Weronika Rosati )

Livi

Christa Campbell ( Christa Campbell )

Adele

Alexandra Doke ( Alexandra Doke )

Park Little Girl

Bill Martin Williams ( Bill Martin Williams )

Club Maitre D'

Lindsay Clift ( Lindsay Clift )

Club USA Dance Partner

Katarzyna Wolejnio ( Katarzyna Wolejnio )

Romy

Jay Giannone ( Jay Giannone )

Dominick Provenzano

Freddy Bosche ( Freddy Bosche )

Detective Beaumont

Tim Bell ( Tim Bell )

Cop

Garrett Kruithof ( Garrett Kruithof )

Stanley Kuklinski

Ray Gaspard ( Ray Gaspard )

Dennis

Juan Michael Konshuk-Mas ( Juan Michael Konshuk-Mas )

Mr. Freezy's Son

Ehud Bleiberg ( Ehud Bleiberg )

Trial Judge

Jonathan Vender ( Jonathan Vender )

Trial Judge (voice)

Tommy Alastra ( Tommy Alastra )

Tommy Alastra ( Tommy Alastra )

Documentary Interviewer (voice)

Gavin Casalegno ( Gavin Casalegno )

Roller Skater (uncredited)

Joy Leigh ( Joy Leigh )

Restaurant Patron (uncredited)