Mike Catt of London Irish and Sale's Chris Jones have been added to the Barbarians squad to face New Zealand on 4 December.
Catt has been added to the squad
Lote Tuqiri, Clyde Rathbone, Phil Waugh, Os Du Randt, Mat Rogers and Brent Russell have already been confirmed for the game at Twickenham.
Saracens' French international Thomas Castaignede has also been called up by coach Bob Dwyer.
"To see these players in the same side is an exciting prospect," said Dwyer.