<page_title> Michael Ontkean </page_title> <section_title> Television </section_title> <table> <cell> 1990–1991 <col_header> Year </col_header> </cell> <cell> Twin Peaks <col_header> Title </col_header> </cell> <cell> Sheriff Harry S. Truman <col_header> Role </col_header> </cell> </table>
Michael Ontkean appeared as Sheriff Harry S. Truman in Twin Peaks from 1990 to 1991.