Magnum Force is a 1973 American action-thriller film and the second to feature Clint Eastwood as maverick cop Harry Callahan after the 1971 film Dirty Harry. Ted Post, who had previously worked with Eastwood on Rawhide and Hang 'Em High, directed the film. The screenplay was written by John Milius and Michael Cimino (who later worked with Eastwood on Thunderbolt and Lightfoot). The film score was composed by Lalo Schifrin. This film features early appearances by David Soul, Tim Matheson, and Robert Urich. At 123 minutes, it is the longest of the five Dirty Harry films.