Comedian Alan Carr, a special edition of TV quiz Never Mind The Buzzcocks and pop act Echo & The Bunnymen are among the latest additions to the Latitude Festival line-up.
Bombay Bicycle Club, Foals and Eels have been announced as the headliners for The Word Arena, while The Cribs and comedians Angelos Epithemiou, David O'Doherty and Mark Watson have also been added to the bill.
Channel 4 chat show host Alan Carr was a big success at the festival in 2007 with his observational stand-up set helping to fill the comedy tent.
He will again be one of the big-name comedy draws in 2011, along with a special Never Mind the Buzzcocks show.
The BBC panel show will see team captains Phill Jupitus and Noel Fielding head a first-ever festival performance of the popular quiz.
A trio of top bands have been confirmed as the headliners for the festival's second biggest music stage The Word Arena.
Bombay Bicycle Club have experienced recent success with their album Flaws, while Foals, who played at Latitude in 2008, were nominated for last year's Mercury Music Prize.
Sunday's headliner will be Eels.
The American rock band's music has appeared on numerous film soundtracks, with their songs Novocaine For The Soul and Mr E's Beautiful Blues among their most well-known.
Echo & The Bunnymen have been performing for over 30 years, but are returning to their roots on their current tour. At Latitude they will play their first two albums Crocodiles and Heaven Up Here in their entirety.
Other music additions include Wakefield indie band The Cribs, American singer-songwriter Lyle Lovett and The Raghu Dixit Project from India.
The festival, which returns to Henham Park, near Southwold, for its sixth instalment from July 14-17, will be headlined by The National, Paolo Nutini and Suede.
Other additions include David Schneider and Friends, London's The Gate Theatre, British beatboxer Shlomo, award-winning poet John Burnside, former DJ Stuart Maconie and Guardian cartoonist Nick Hayes.
Weekend tickets are from �170, with day tickets from �70. For more details see www.latitudefestival.co.uk
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