Member of Cameron Mitchell's graduating class from George Washington High School in 1987. Gary grew up to become a life insurance salesman, boring Cameron Mitchell with his policies at their twentieth anniversary high school reunion. Vala Mal Doran, Cameron's date, was fascinated by his pitch, and appeared to consider adopting it to suit her own mischievous ways.
Gary recognized his friend Phil during the reunion, but Phil had been replaced by a bounty hunter who copied his image. The Phil imposter induced an electric shock in Gary to get him out of his way.
Bounty - Gary Walesco tells Mitchell and Vala all about his life insurance policies during their high school reunion, and is later taken out by a "Phil" imposter.