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Jim Eastwood, Tom Pellereau, Melody Hossaini, Susan Ma, Helen Milligan and Natasha Scribbins are the remaining six contestants hoping to land a £250,000 business investment from Lord Alan Sugar.
"Instead of there just being two people in the final, there will be four - making the contest even tougher and more tense," an insider told The Sun. "No longer will they be able to rely on exploiting the weak points of just one rival."
The show previously had a four-person final in season four, which was won by Lee McQueen.
Remaining challenges for the candidates include a wholesale goods task this week and they will be interviewed by Lord Sugar's close friends and associates in the final.
Margaret Mountford will return for the interview stages of this year's Apprentice.
> 'The Apprentice' takes the biscuit with 7.8m for BBC One
Watch a clip of this week's Apprentice:
