In 2004, Douglas and Zeta Jones took legal action against stalker Dawnette Knight, who was accused of sending violent letters to the couple that contained graphic threats on Catherine's life.
The production was released theatrically in markets outside of the United States in 2009—10, but due to financial troubles of its distributor, The Film Development, the film failed to release theatrically in America.
The producer was impressed by her acting ability and allowed her to play the role for the next two years.
Starring opposite and , she portrayed the lead role of Isabella Paradine, a young mother engaged in an extramarital affair on the.
Greater success followed when she starred opposite and in the British period comedy-drama television series from 1991 to 1993.
In 2005, she became the ambassador of the charity, and launched the Full Stop appeal in Wales to raise awareness on child abuse.