크레딧 출연 브루스 펜홀 Self - Speedway Rider Kenny Roberts Self - Road Racer Bob Hannah Self - Supercross #1 Bruce Ogilvie Self - Desert Racer Bernie Schreiber Self - Trials Rider Malcolm Smith Self 스텝 Ed Forsyth Directing Don Shoemaker Directing David M. Walden Production Roger Riddell Production James L. Cavanaugh Production Allan Alper Sound Henning Schellerup Crew Patrick M. Crawford Editing Ed Forsyth Editing Randall L. Johnson Sound Edward L. Sandlin Sound