Stephen Tobolowsky

Stephen Harold Tobolowsky is an American actor, author, and musician. He is known for film roles such as annoying insurance salesman Ned Ryerson in Groundhog Day and amnesiac Sammy Jankis in Christopher Nolan's Memento, as well as such television characters as Commissioner Hugo Jarry, Bob Bishop, Sandy Ryerson, and Stu Beggs.
Tobolowsky has a monthly audio podcast, The Tobolowsky Files, of autobiographical stories of his acting and personal life. He has also authored The Dangerous Animals Club and Cautionary Tales based on these original stories. Since March 2015 he has run a weekly second podcast called Big Problems - An Advice Podcast.