Francois Louw, Heinke van der Merwe and Ernst Joubert have been added to the Barbarians squad for the coming games against international opposition.
The trio will join a squad that already contains South Africans John Smit, Anton van Zyl and Pedrie Wannenburg. Corniel van Zyl is another who has received a call up.
Other late additions include former Wallabies lock Mark Chisholm, New Zealander Casey Laulala and Wales pivot Stephen Jones.
The Barbarians will play the first of three matches against England at Twickenham on 27 May.
Backs: Isa Nacewa (Fiji), Mils Muliaina (New Zealand), Ian Balshaw (England), Cedric Heymans (France), Shane Williams (Wales), Paul Sackey (England), Sailosi Tagicakibau (Samoa), Casey Laulala (New Zealand), Mike Tindall (England), Damien Traille (France), Felipe Contepomi (Argentine), Stephen Donald (New Zealand), Rory Lawson (Scotland), Jerome Fillol (France).
Forwards: Benoit August (France), John Smit (South Africa), Aled de Malmanche (New Zealand), John Afoa (New Zealand), Duncan Jones (Wales), Neemia Tialata (New Zealand), Heinke van der Merwe (South Africa), Mark Chisholm (Australia), Mick O’Driscoll (Ireland), Anton van Zyl (South Africa), Pelu Taele (Samoa), Cornelius van Zyl (Italy), Raphael Lakafia (France), Akupusi Qera (Fiji), John Beattie (Scotland), Pedrie Wannenburg (South Africa), Ernst Joubert (South Africa), Francois Louw (South Africa).