James' Tim Booth and Manu Chao also join Kent event bill
They join a slew of other new names set for the Kent event, which takes place on July 1 and 2.
The first acts confirmed for the Campo Acoustic Stage at the event have also been announced.
They include Brother and Bones, Tankus The Henge , Never The Bride, Nathan Mercado, Dan Reed, Neil Thomas, Ruarri Joseph, Sam Roman, Jim Stapley, Jem Cooke, Gemma Mewse and Mark Joseph.
The festival will be headlined by the Eagles and Morrissey and takes place in Paddock Wood, Kent.
See Hopfarmfestival.com for details.