Waylon Kevin Sizemore is a small town guy who continues to stay true to his roots. Born and raised in the small town of Princeton, WV to a middle class family and one older brother, Sizemore was cast in a Maxwell House Coffee commercial his senior year of high school, and knew at that point he wanted to be an actor. He attended The Art Institute of Pittsburgh and received a degree in communications while moonlighting as an extra on films. After graduation, Sizemore lived in 5 states in 5 years doing plays, commercials and learning as much as he could about the business. The summer after studying at the American Academy of Dramatic Arts, he decided to make Los Angeles his home away from home.
2003年主演了美剧《少年魔法师》里的爸爸Jerry Russo,包括后面的电影版《魔法师归来:双面艾利克斯》和《少年魔法师电影版》。在少年魔法师的电视剧里还担任过其中6集的导演。 在《超感神探》S04E20客串Mr. Loveland,在《实习医生格蕾》S08E22客串Charlie Connor,在《燃情克利夫兰》S03E06客串Jack,客串过《识骨寻踪》S03E09里的Santa Jeff Mantell,在《神探阿蒙》S05E02客串Larry Cutler,在《吉尔莫女孩》S04E21客串T.J.'s Brother,在CSI的S02E05客串Cliff Renteria。在SG1里面,小虫客串了Cater的那个警察男朋友.....Pete Shanahan....只出场过四集,因为官方CP是男主角!!! 在恶搞版的《暮色大电影 Vampires Suck》里演Fisherman Scully,还演过电影《机器医生 RoboDoc》