Grew up in a movie and motorcycle racing family. His father, Clifford Coleman, brought Clarke to the races with him at a very young age. Clarke was surrounded by the likes of James Garner, Steve McQueen, Bud Ekins & Von Dutch (aka Kenny Howard). This enriched childhood gave Clarke his inspiration to become a motorcycle racer, stuntman and actor. Steve McQueen got Clarke is SAG card. Steve got Clarke and Steve's son, Chad McQueen. their 'A' Cards (aka Screen Actor's Guild Cards) together on the movie "Tom Horn". The last movie Steve did.