Further film roles followed, including parts in The Root of All Evil (1947), When You Come Home (1947), Murder at the Windmill (1949), Saturday Island (1949), A Man's Affair (1952), It Started in Paradise (1952), Will Any Gentleman...?
She continued to act in films, including A Yank in Ermine (1955) and The Betrayal (1957), and featured in several episodes of the television drama series The Vise.
(upon which Just A Minute was based), Decker appeared as a regular panelist on the ladies' team, playing against Gerard Hoffnung, Eric Sykes and Messiter.
Her recording of "Poppa Piccolino", a version of the Italian song "Papaveri e papere" by Vittorio Mascheroni, with English words by Robert Musel, reached no.2 on the UK singles chart.
[7] In 1954 Eden was fined £3, with 10 guineas (£10 10s) costs, after hitting a man who criticised Decker's acting in the play Thirteen for Dinner and was alleged to have claimed, "she should have been strangled at birth".