After establishing himself on the British stage, Deckers made his first English language film appearance in 1946. Formerly a romantic lead, he specialised in "continental" character roles, playing many an obsequious concierge and imperious diplomat. As he grew older, Deckers expanded his characterisation range to include Germans and Italians as well as Frenchmen. One of his biggest and best roles was as the arms dealerPeters in North West Frontier. Deckers appeared in Sheldon Reynoldstelevision seriesForeign Intrigue in the early 1950s. In 1954-55, Deckers played at least seven different characters in the French-filmed Sheldon Reynolds television series Sherlock Holmes. After appearing in over fifty film and television roles, Deckers made his final screen appearance in the 1969 film The Assassination Bureau. While working as an actor, Eugene Deckers also worked as a painter. He is the great-uncle of singer Eliza Roe.