 Former "road" leading lady Dorothy Lamour was relegated to a guest appearance in the film.In Italy, Collins starred in "Hard Time for Princes" (1965); back in the US she played David Janssen's wife in the detective thriller "Warning Shot" (1967); in the UK she was the leading lady in the spy caper "Subterfuge" (1968); and made a cameo appearance in the comedy "If It's Tuesday, This Must Be Belgium" (1969).In the US, Collins starred opposite her husband in Newley's autobiographical musical "Can Heironymus Merkin Ever Forget Mercy Humppe and Find True Happiness?"