The Barbarians have added New Zealand fly-half Carlos Spencer and Scotland's most-capped prop Tom Smith to their squad for the summer tour of Britain.
Smith, a Lions international in 1997 and 2001, played his 61st match for Scotland in the recent RBS 6 Nations match with England at Twickenham.
But he will be making his Barbarians debut with the side who open with a fixture against Scotland at Aberdeen's Pittodrie stadium on Tuesday, May 24.
Spencer has previously played for the Barbarians against South Africa and Australia and has played 35 times for the All Blacks, scoring 291 points.
He will be playing for Northampton in the Premiership next season.
The second and final match of the tour is match against England at Twickenham on Saturday, May 28.