The Barbarians have released a first batch of high-class names who will be involved in their Sunday, June 1 game against England at Twickenham.
Fourteen players have been named in the group, with James O'Connor, Hosea Gear, Sitiveni Sivivatu, Rene Ranger and Matt Giteau included.
Drew Mitchell, Aurélien Rougerie, Francois Trinh-Duc and Jimmy Cowan are the other backs named in the squad, released on Tuesday.
French-based Steffon Armitage, Julien Bonnaire, Ali Williams, Carl Hayman and Ulster's John Afoa are the five forwards in the initial selection.
Barbarians selected: James O'Connor (London Irish, Australia), Drew Mitchell (Toulon, Australia), Hosea Gear (Toulouse, New Zealand), Sitiveni Sivivatu (Clermont, New Zealand), Aurélien Rougerie (Clermont, France), Rene Ranger (Montpelier, France), Matt Giteau (Toulon, Australia), Francois Trinh Duc (Montpelier, France), Jimmy Cowan (Gloucester, New Zealand), Steffon Armitage (Toulon, England), Julien Bonnaire (Clermont, France), Ali Williams (Toulon, New Zealand), Carl Hayman (Toulon, New Zealand), John Afoa (Ulster, New Zealand).