Magnum Force is the 1973 sequel to the 1971 film Dirty Harry, starring Clint Eastwood as maverick cop Harry Callahan. Ted Post, who also directed Eastwood in TV's Rawhide and the feature film Hang 'Em High, directed the second film in the Dirty Harry series. The screenplay was written by John Milius (who provided an uncredited rewrite for the original film) and Michael Cimino. This film features early appearances by David Soul, Tim Matheson and Robert Urich as the primary antagonists, the vigilante traffic cops. It is also the longest Dirty Harry film, clocking in at 124 minutes.