Charlton Heston as Detective Robert Thorn

Leigh Taylor-Young as Shirl

Chuck Connors as Tab Fielding

Joseph Cotten as William R. Simonson

Brock Peters as Chief Hatcher

Paula Kelly as Martha Phillips

Edward G. Robinson as Sol Roth

Stephen Young as Gilbert

Mike Henry as Kulozik

Lincoln Kilpatrick as The Priest

Roy Jenson as Donovan

Leonard Stone as Charles

Whit Bissell as Gov. Santini

Celia Lovsky as The Exchange Leader

Dick Van Patten as Usher #1

Morgan Farley as Book #1

John Barclay as Book #2

Belle Mitchell as Book #3

Cyril Delevanti as Book #4

Faith Quabius as Attendant

Jane Dulo as Mrs. Santini

John Dennis as Wagner

Jan Bradley as Bandana Woman

Carlos Romero as New Tenant

Pat Houtchens as Fat Guard

Joyce Williams as The Furniture Girls

Erica Hagen as The Furniture Girls

Beverly Gill as The Furniture Girls

Suesie Eejima as The Furniture Girls

Cheri Howell as The Furniture Girls

Kathy Silva as The Furniture Girls

Jennifer King as The Furniture Girls

Marion Charles as The Furniture Girls

Molly Dodd as Soylent Yellow Seller (uncredited)

Gwen Farrell as Woman in Confessional Line (uncredited)

Bern Hoffman as Plastics Seller (uncredited)

Robert Ito as Shoe Seller (uncredited)

Nora Marlowe as Soylent Crumbs Seller (uncredited)

Ida Mae McKenzie as Woman Calling for Revolution (uncredited)

Richard Sterne as TV Announcer (uncredited)

Jeff Winkless as Suicide Parlor Attendant (uncredited)

Tim Herbert as Brady

Forrest Wood as Attendent