The World Transformed

• Jeremy Corbyn (as key-note speaker)[4]
• Attila the Stockbroker, poet[9]
• John McDonnell, Shadow Chancellor[8]
• David Harvey, Marxist political economist and geography professor[5]
• Naomi Klein, author, social activist, and filmmaker[9]
• Ken Loach, director[8]
• Paul Mason, journalist and activist[5]
• George Monbiot, Climate activist and journalist[18]

• Anthony Anaxagorou[9]
• Boudicca[9]
• Horse Meat Disco[9]
• The Native (Jordan Stephens from Rizzle Kicks)[9]
• Shay D[9]
• The Soweto Kinch Trio[9]
• Rum Committee[9]

In October 2017, Labour MP Clive Lewis was criticised for language used at a fringe event of the conference in which he told the actor Sam Swann to "Get on your knees, bitch!". Swann later described the incident as "jovial".[20]

• Jean-Luc Mélenchon (as key-note speaker)[21]
• Jeremy Corbyn[22]
• Katja Kipping, leader of Die Linke[22]
• Chantal Mouffe, political theorist[22]
• Ralf Stegner, Social Democratic Party of Germany leader of the opposition in the Schleswig-Holstein region.[22]
• Zitto Kabwe, leader of Alliance for Change and Transparency[22]
• Ash Sarkar, journalist and editor of Novara Media[22]
• Faiza Shaheen, prospective Labour Party candidate for Chingford & Woodford Green and economist[22]
• Bonnie Castillo, executive director of National Nurses United[23]

The venue chosen had a capacity for 10,000 attendees.[2] Momentum had banned journalists from The Sun newspaper from having access to the festival due to- and lack of apology for- the reporting on the 1989 Hillsborough Disaster.[1] One of the events hosted by TWT was a "Radical Bus Tour with Dan Carden". Carden the MP for Liverpool Walton gave a bus tour covering the key locations of protest, struggle and social progress in Liverpool.[24]

• Adriana Alvarez, prominent activist in the Fight for $15 movement[25]
• Diane Abbott[26]
• Omar Barghouti, co-founder of the BDS movement (via video link)[27]
• Jeremy Corbyn[28]
• James Butler, co-founder of Novara Media[29]
• Ken Loach, director[26]
• Maya Goodfellow, writer and academic[26]
• Ash Sarkar, editor and co-founder of Novara Media[26]
• Hilary Wainwright, editor of Red Pepper[26]

Over 5,000 people attended the festival which used 10 different venues,[30] including setting up a hub in the Old Steine Gardens.[26] Several Labour MPs hosted sessions as part of the "Radical Variety Show": such as Ed Miliband as a gameshow host, John McDonnell spinning a wheel of public ownership and Diane Abbott acting as an agony aunt.[31]

The festival trialled its own "policy labs" during the festival, leading to the organisation compiling these ideals and publishing a "Manifesto for the Movement".[32][33][11]