Stars vow to 'bring attention to the dangers of a Trump presidency'

Julianne Moore, Bryan Cranston, Kerry Washington, Mark Ruffalo, Neil Patrick Harris, Lena Dunham and Macklemore are among more than 100 celebrities who have joined a campaign to urge Americans to deny Donald Trump the White House.

The campaign is part of MoveOn.org Political Action's #UnitedAgainstHate campaign.