chase. The smash-up soon ensues, killing Lee, Penny, Al, and Burnsey's biker boyfriend Andy (Joel Parks), and badly injuring Dale. When Laureen arrives at the scene, she realizes how much she cares for Sam and they reconcile while taking care of the injured people. Cast Robert Conrad as Sergeant Sam Marcum Sian Barbara Allen as Barbara Hutton Buddy Ebsen as Albert 'Al' Pearson Herb Edelman as Danny David Groh as Dale Scott Jacoby as Lee Bassett Joe Kapp as Traffic Officer Estevez Sue Lyon as Burnsey Vera Miles as Erica Donna Mills as Laureen David Nelson as Traffic Officer Berman Harriet Nelson as June Pearson George O'Hanlon, Jr. as Pete Terry Moore as Trudy Bonnie Ebsen as Penny Tommy Lee Jones as Traffic Officer Jimmy Hutton Reception It was sixth-most popular prime time television program in the United States in the week of its debut. References External links Smash Up on Interstate 5 on CHiPs Online wiki 1976 television films 1976 films 1976 drama films 1970s disaster films 1970s drama road movies ABC network original films American drama road movies American disaster films American television films Disaster films based on actual events Disaster television films Films directed by John Llewellyn Moxey Films scored by Bill Conti Independence Day (United States) films 1970s American films