Actors James Franco, Eva Longoria and Hilary Duff, and musicians Elton John, Daryl Hall and Brandy Norwood are already signed up.

CNN: Celebs join 'Smoke Alarm' Twitter plan

Actress Scarlett Johansson, singer James Taylor and Eva Longoria of Desperate Housewives fame were among those to speak in support of the commander in chief.

BBC: Clint Eastwood defends 'empty chair' convention speech

Five of them will be directed by already selected notables: actress Eva Longoria, actor Jamie Foxx, fashion designer Georgina Chapman, musician James Murphy of LCD Soundsystem and Biz Stone, the co-founder of Twitter.

WSJ: First the Camera, Then Lights, Action