Mohan will appear on Monday (9 January) alongside the tabloid's former editor Kelvin MacKenzie, royal editor Duncan Larcombe, chief lawyer Justin Walford, and editor of the Bizarre column Gordon Smart.
Two other former editors, David Yelland and Stuart Higgins, have submitted statements to be read out in court.
The Sun has faced accusations during the inquiry that hacking was routine at the title. Stuart Hoare, brother of the late News of the World whistleblower and former Sun journalist Sean Hoare, told the inquiry that his brother said hacking was "used widely" on both of the News International tabloids.
Tuesday will see editors and journalists from the Financial Times, the Independent and the Telegraph give evidence.
The editor of each paper – the FT's Lionel Barber, the Independent's Chris Blackhurst, and the Telegraph's Tony Gallagher – will appear along with journalists from the three titles.
The inquiry will also hear from the Telegraph's former editor-in-chief Will Lewis, who left for News International in 2010 and currently sits on the publisher's internal phone-hacking investigation committee.
Daily Mail publisher Associated Newspapers – like the Sun – will have a day to itself on Wednesday. Associated's editor-in-chief Paul Dacre, who gave evidence to the inquiry's seminars in October, will not appear but is understood to have said he will give evidence in February instead. Mail on Sunday editor Peter Wright and legal manager Liz Hartley will appear.
Thursday will see evidence from executives at Northern & Shell – publisher of the Daily Express and Daily Star – including proprietor Richard Desmond, Express editor Hugh Whitlow, former editor Peter Hill, and Daily Star editor Dawn Neesom.
Full witness list:
Monday
John Edwards (The Sun)
Duncan Larcombe (The Sun)
Kelvin Mackenzie (ex-The Sun)
Dominic Mohan (The Sun)
Gordon Smart (The Sun)
Justin Walford (The Sun)
Stuart Higgins (The Sun - statement to be read)
Simon Toms (The Sun – statement to be read)
David Yelland (The Sun - statement to be read)
Tuesday
Lionel Barber (FT)
Chris Blackhurst (Independent)
Tony Gallagher (Telegraph)
William Lewis (ex- Telegraph)
Murdoch MacLennan (Telegraph)
Manish Malhotra (Independent)
Andrew Mullins (Independent)
Finbarr Ronayne (Telegraph)
Benedict Brogan (Telegraph – statement to be read)
Adam Cannon (Telegraph – statement to be read)
Ian McGregor (Telegraph – statement to be read)
Peter Oborne (Telegraph – statement to be read)
Arthur Wynn-Davies (Telegraph - statement to be read)
Wednesday
Liz Hartley (Associated Newspapers)
Peter Wright (Associated Newspapers)
Kevin Beatty (Associated Newspapers - statement to be read)
James Welsh (Associated Newspapers - statement to be read)
Thursday
Paul Ashford (Northern & Shell)
Richard Desmond (Northern & Shell)
Peter Hill (Northern & Shell)
Dawn Neesom (Northern & Shell)
Nicole Patterson (Northern & Shell)
Robert Sanderson (Northern & Shell)
Hugh Whitlow (Northern & Shell)
Martin Ellice (Northern & Shell - statement to be read)
Gareth Morgan (Northern & Shell - statement to be read)
Martin Townsend (Northern & Shell - statement to be read)
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