Other names in the mix include the Prime Minister’s father Stanley Johnson, 79, at 5/1, with Love Island narrator Iain’s Stirling, 32, coming in at the same odds.
ITV chat show host Lorraine Kelly, 60, is also amongst the favourites to take part, with her chances standing at 13/2.
The professional line-up is set to stay the same, with the likes of Anton Du Beke, 54, and Oti Mabuse, 29, returning.
However, Kevin Clifton, 37, and AJ Pritchard, 25, won’t be making a comeback after the stepped down from their roles earlier this year.
Strictly Come Dancing returns later this year on BBC One.