Actor says it is ‘more important than ever’ to safeguard city’s parks as report finds more than 50 are at risk Actor says it is ‘more important than ever’ to safeguard city’s parks as report finds more than 50 are at risk Dame Judi Dench has called for greater protections for London’s parks and green spaces, as research finds more than 50 of the city’s parks are at risk from development. The Oscar-winning actor has long loved trees, and in 2017 fronted a BBC documentary about her love for them.