Robert Walker Jr. as Bobby Hartford

Gwynne Gilford as Lisa Clark

Richard Stahl as Edward Fazio

Richard Webb as Sheriff Jones

Shelley Berman as Mr. Carmel, Hair Stylist

Larry Hagman as Young Hobo

Carol Lynley as Leslie

Godfrey Cambridge as Chester Hargis

Randy Stonehill as Randy Guitar

Cindy Williams as Randy's Girlfriend

Marlene Clark as Mariane Hargis

Burgess Meredith as Old Hobo

Dick Van Patten as Scoutmaster Adleman

Rockne Tarkington as Deputy Williams

Gerrit Graham as Ape Suited Party Guest

J.J. Johnston as Deputy Kelly Davis

Danny Goldman as Bearded Teenager

Del Close as Hobo Wearing eyepatch

Patrick McAllister as Al - Repairman's Assistant

Byron Keith as Bowling Customer

Steve McQueen as Steve Andrews (archive footage)

Earl Rowe as Lieutenant Dave (archive footage)