When a madman dubbed 'Scorpio' terrorizes San Francisco, hard-nosed cop, Harry Callahan – famous for his take-no-prisoners approach to law enforcement – is tasked with hunting down the psychopath. Harry eventually collars Scorpio in the process of rescuing a kidnap victim, only to see him walk on technicalities. Now, the maverick detective is determined to nail the maniac himself.
Elenco: Clint Eastwood , Harry Guardino , Reni Santoni , John Vernon , Andrew Robinson , John Larch , John Mitchum , Mae Mercer , Lyn Edgington , Ruth Kobart , Woodrow Parfrey , Josef Sommer , William Paterson , James Nolan , Maurice Argent , Jo De Winter , Albert Popwell , Joy Carlin , Bill Couch , Diana Davidson , Vince Deadrick Sr. , Chuck Dorsett , Al Dunlap , Larry Duran , George Fargo , Lois Foraker , Max Gail , John Garber , Christopher Pray , Eddie Garrett , James W. Gavin , David Gilliam , Don Haggerty , Scott Hale , Kate Harper , Bob Harris , Chuck Hicks , Raymond Johnson , Richard Lawson , Laurie Mock , Ann Noland , Kathleen O'Malley , Angela Paton , Victor Paul , Debralee Scott , Don Siegel , Kristoffer Tabori , Tony Dario , Marc Hertsens , Gordon Chapli , Janet Wisely , Pamela Tanimura , Richard Samuelson , Derek Jue , Sean Maley , Diane Darnell .