Michael Douglas as Detective Nick Curran

Sharon Stone as Catherine Tramell

George Dzundza as Gus

Jeanne Tripplehorn as Dr. Beth Garner

Denis Arndt as Lieutenant Walker

Leilani Sarelle as Roxy

Bruce A. Young as Andrews

Chelcie Ross as Captain Talcott

Dorothy Malone as Hazel Dobkins

Wayne Knight as John Correli

Daniel von Bargen as Lieutenant Nilsen

Stephen Tobolowsky as Dr. Lamott

Benjamin Mouton as Harrigan

Jack McGee as Sheriff

Bill Cable as Johnny Boz

Stephen Rowe as Internal Affairs Investigator

Mitch Pileggi as Internal Affairs Investigator

Mary Pat Gleason as Juvenile Officer

Freda Foh Shen as Berkeley Registrar

William Duff-Griffin as Dr. Myron

James Rebhorn as Dr. McElwaine

David Wells as Polygraph Examiner

Bradford English as Campus Policeman

Mary Ann Rodgers as Nurse

Adilah Barnes as Nurse

Irene Olga López as Maid

Juanita Jennings as Receptionist

Craig C. Lewis as Bartender | Police Bar

Michael David Lally as Detective

Peter Appel as Detective

Michael Halton as Bartender | Country Western Bar

Keith McDaniel as Featured Dancer

Eric Poppick as Coroner's Guy

Ron Cacas as Policeman

Kayla Blake as Roxy's Friend

Ken Liebenson as Doo Wah Riders

Lindy Rasmusson as Doo Wah Riders

Byron Berline as Doo Wah Riders

Eddie Dunbar as Doo Wah Riders

Tom McKibbin as Doo Wah Riders

Julie Bond as Hand Puppet Model

Anne Lockhart as Disco Patron (uncredited)

Patricia Anne Isgate-Hayward as Classmate (uncredited)

Pui Fan Lee as Mrs. Rollins (uncredited)

Andy Rolfes as Police Officer (uncredited)

Bob Sallese as Internal Affairs Detective (uncredited

Theodore Carl Soderberg as Disco Bartender (uncredited)

Damon Stout as Disco Patron (uncredited)