Stephen Tobolowsky
Stephen Harold Tobolowsky (born May 30, 1951) is an American character actor. He is known for film roles such as insurance agent Ned Ryerson in ''Groundhog Day'' and amnesiac Sammy Jankis in ''Memento'', as well as such television characters as Commissioner Hugo Jarry in ''Deadwood'', Bob Bishop in ''Heroes'', Sandy Ryerson in ''Glee'', Stu Beggs in ''Californication'' and ''White Famous'', "Action" Jack Barker in ''Silicon Valley'', Dr. Leslie Berkowitz in ''One Day at a Time'', Principal Earl Ball in ''The Goldbergs'', and Dr. Schulman in ''The Mindy Project''.Tobolowsky has a monthly audio podcast, ''The Tobolowsky Files'', of autobiographical stories of his acting and personal life. He has also authored three books: ''The Dangerous Animals Club'', ''Cautionary Tales'', and ''My Adventures With God''. Provided by Wikipedia