Mr Evans, who completed the trek with polar guide Geoff Somers on 5 January, maintained a strict fitness regime for more than a year before the trek to ensure he was fit enough.
The Stade Francais number eight is added to Saturday's 22, along with Rob Dewey, Max Evans, Mark Robertson, Nikki Walker, Simon Webster, Kelly Brown, Geoff Cross, Alastair Kellock and Alasdair Strokosch.