Helmore served as an apprentice in his father's accounting firm while working as an extra in movies. He subsequently pursued acting as a career, working predominantly on the stage. The 1945 Broadway musical "The Day Before Spring" led to Helmore's Hollywood career. In British and American films, Helmore was employed as a dapper, comedic actor.
|Movie Name||Vizyon Tarihi|
|Ölüm Korkusu — Vertigo||12 December 1958|