Peter Weller as Officer Alex J. Murphy / RoboCop

Nancy Allen as Officer Anne Lewis

Dan O'Herlihy as The Old Man

Ronny Cox as Dick Jones

Kurtwood Smith as Clarence Boddicker

Miguel Ferrer as Bob Morton

Robert DoQui as Sgt. Warren Reed

Ray Wise as Leon Nash

Felton Perry as Johnson

Paul McCrane as Emil Antonowsky

Jesse D. Goins as Joe Cox

Del Zamora as Kaplan

Calvin Jung as Steve Minh

Rick Lieberman as Walker

Lee de Broux as Sal

Mark Carlton as Miller

Edward Edwards as Manson

Michael Gregory as Lt. Hedgecock

Freddie Hice as Bobby

Neil Summers as Dougy

Gene Wolande as Prisoner

Gregory Poudevigne as Slimey Lawyer

Charles Carroll as Bail Bondsman

Kevin Page as Kinney

Yolonda Williams as Ramirez

Tyrees Allen as Starkweather

John S. Davies as Chessman

Laird Stuart as Cecil the Clerk

Stephen Berrier as Roosevelt

Sage Parker as Tyler

Karen Radcliffe as Technician #1

Darryl Cox as Technician #2

Jerry Haynes as Dr. McNamara

Bill Schockley as Creep

Donna Keegan as Rape Victim

Mike Moroff as Hophead

Marjorie Rynearson as Grocery Mom

Jo Livingston as Grocery Pop

Joan Pirkle as Barbara

Diane Robin as Chandra

Adrianne Sachs as Tawney

Maarten Goslins as Salesman

Angie Bolling as Murphy's Wife

Jason Levine as Murphy's Son

S.D. Nemeth as Bixby Snyder

Bill Farmer as Justin Ballard-Watkins

Michael Hunter as Peter the Homeowner

Spencer Prokop as Gas Station Attendant

Debra Zach as Nurse

L.J. King as Emergency Doctor

David Packer as Emergency Doctor

Leeza Gibbons as Jesse Perkins

Mario Machado as Casey Wong

Bill Blair as Undercover Cop (uncredited)

Gilbert B. Combs as Sal's Gunman (uncredited)

Jon Davison as ED-209 (voice) (uncredited)

Wanda De Jesus as Estevez (uncredited)

James Field as Restroom Junior Executive (uncredited)

John Garrett as News Crew (uncredited)

Allan Graf as Sal's Bodyguard (uncredited)

Katie Griffin as Young Girl (uncredited)

Harry Johnson as Dad in Nuke-'em' Commercial (uncredited)

Debra Lamb as Pizza Dough Juggling Girl (uncredited)

John Landis as Man in '6000 SUX' Commercial (uncredited)

Randall Oliver as S.W.A.T. Team Member (uncredited)

Scott Sligar as S.W.A.T. Team Member (uncredited)

James Staszkiel as Keva Rosenberg (uncredited)

Scott Thomson as Blonde Thug (uncredited)

Paul Verhoeven as Dancer at Disco (uncredited)

Mark Edward Walters as Street Kid (uncredited)

Sean Wohland as Nukem (uncredited)