Dave Pomeroy

Howard Duff

Dr. Paula Stevens

Linda Cristal

James Kincade

Stephen McNally

August Best

Nehemiah Persoff

Myra

Anne Jeffries

Myra Pryor

Anne Jeffreys

Dr. Paul Cerbo

Oscar Beregi

Steadman

Gregory Morton

Goff

Dennis Hopper

Ernest

George Barrows

Dr. Milton Becker

John Hoyt

Hal Johnson

Steve Franken

Police Lt. Brady

Wesley Lau

Dick Blaine

Mike Farrell

Tom

Jim Adams

Albert

Stanley Clements

Reporter

Rush Williams

Miller

Hank Brandt

Information Clerk

Eilene Janssen

Owens

Eddie Firestone

Williams

John Pickard

Joe

Cal Currens

Karl Sinden (Mr. X)

George Sawaya

Secretary

Jan Watson

Artist

Elaine Beckett

Frank Devers

Walter Reed

Pablo

Leon Lontoc

Blonde

Deanna Lund

Waitress

Edith Loder

Receptionist

Wendy Stuart

Dr. Wilcox

Robert Terry

Nurse

Bee Tompkins

Intern

Jim Kline

Bill Rawlins

William Tannen

Reporter

Dodie Warren

Mayor

Douglas Evans

Elliot

Maurice Wells

Pitt

James Seay

Man in Conference Room

Al Shafran

Woman at Door

Renee Redman

Mechanic

Tex Armstrong

Plainclothesman

Walter Scott