<page_title> Martin Milner </page_title> <section_title> Film </section_title> <table> <cell> 1947 <col_header> Year </col_header> </cell> <cell> Life with Father <col_header> Title </col_header> </cell> <cell> John Day <col_header> Role </col_header> </cell> </table>
Milner began his film career with his debut in the film Life with Father (1947) in the role of John Day.