The latest acts added to Guilfest include a Sunday main stage appearance for Skaville UK, a band featuring three members of Bad Manners Nick Welsh, Louis Alphonso and Martin Stewart.
World-famous DJ and producer Tom Middleton will play in the Funky End dance tent on the Sunday, ahead of DJ Yoda.
The third and final new act in this announcement sees another ska band, Los Albertos, confirmed for the Ents 24 Stage on Saturday.
Happening over the weekend of July 10-12 at Stoke Park in Guildford, Guilfest will play host to the likes of Motorhead, Brian Wilson, Happy Mondays, The Charlatans, King Blues, Stranglers, Hexes, Ghost of a Thousand, Pendulum (DJ set), The Wailers, Joe Bonamassa, Athlete, Lightning Seeds and Will Young.
Tickets are on sale now.