Harv is a character in Cars. He is voiced by the actor Jeremy Piven in the US version of the film. In the UK version, British TV personality Jeremy Clarkson, who at the time hosted the UK car show known as Top Gear, voices Harv.

Harv is Lightning McQueen's agent. Never seen on-screen, McQueen communicates with him through a speakerphone in his trailer.

When McQueen is in his trailer heading to California, Harv gives him a call. Near the end of the film, when Mack arrives in Radiator Springs, Harv asks where McQueen is and tells him to leave right away to get to his race. When McQueen says goodbye to Sally, Harv threatens to fire Mack if he doesn't get Lightning into the trailer.

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