Arnold Schwarzenegger as Mark Kaminski / Joseph P. Brenner

Kathryn Harrold as Monique

Sam Wanamaker as Luigi Patrovita

Paul Shenar as Paulo Rocca

Robert Davi as Max Keller

Ed Lauter as Baker

Darren McGavin as Chief Harry Shannon

Joe Regalbuto as Marvin Baxter

Mordecai Lawner as Marcellino

Steven Hill as Martin Lamanski

Blanche Baker as Amy Kaminski

Louise Robey as Lamanski's Girl

Victor Argo as Dangerous Man

George P. Wilbur as Killer #1

Denver Mattson as Killer #2

John Malloy as Trager

Lorenzo Clemons as Washington 2nd Sergeant

Dick Durock as Dingo

Frank Ferrara Sr. as Spike

Thomas Rosales Jr. as Jesus

Jack Hallett as Carson

Leon Rippy as Man in Tux

Jay Butler as Rice

Norman Max Maxwell as Fake State Trooper

Tony DiBenedetto as Rudy

Tom Hull as Metzger

Mary Cannon as Saleswoman

Gary Houston as Patrovita Thug

Greg Noonan as Patrovita Thug

Steve Holt as Blair Shannon

Cedric Guthrie as Agent with Shannon

Brooks Gardner as Elevator Operator

Pat Miller as Kinks Cashier

Jery Hewitt as Stickman

James Eric as Byron

Ralph Foody as Captain

Howard Elfman as Bomb Squad officer

John Hateley as Trooper (Double)

Joel Kramer as Brenner (Double)

Jeff Ramsey as Bodyguard #1

Bill McIntosh as Bodyguard #2

Ted Grossman as Bodyguard #3

Kent Hays as Drunken Player

Greg Walker as Rudy (Double)

Clifford Happy as Tony's Bodyguard

Michael Adams as Patrovita's Bodyguard

Dean Smith as Patrovita's Double

Alex Ross as Stationwagon Driver

Socorro Santiago as Nurse at Center

Richard McGough as Baker's Partner

Sharon Rice as Jogger

R. Pickett Bugg as Lookout Gangster

John Clark as Newscaster

Scott Blount as Performer

Phil Adams as FBI Agent

Chuck Hart as FBI Agent

Larry Holt as FBI Agent

Sven-Ole Thorsen as Patrovita's Bearded Bodyguard (uncredited)

Ken Sprunt as FBI Agent

Peter Kent as Thug shot dead onto garbage cans at rock quarry (uncredited)

Dimitrius Pulido as Body Guard (uncredited)

Gary Olson as Lamanski's Driver

Sven-Ole Thorsen as Mike Johnson