Former Australia captain George Gregan will play for the Barbarians against the Wallabies at Wembley on December 3.
The Barbarian Football Club has confirmed that Gregan will play in the match to mark the centenary of the 1908 London Olympics, at which the first Wallabies touring squad won the gold medal for rugby.
Gregan, now playing for Suntory in Japan, is the world's most-capped player, with 139 Test caps, and the longest-serving Australia captain, with 59 internationals at the helm.
The Barbarians also confirmed that former Wallabies coach Eddie Jones would work alongside head coach Jake White with the invitational team.
"The Barbarians are putting together a powerful squad of all the talents for this very special match," White said.
"I have been impressed by the positive response from so many players worldwide and to have Eddie to assist me in the build up is definitely an added bonus."
The Barbarians side will be led by New Zealand skipper Richie McCaw and includes former All Blacks platers Carl Hayman, Jerry Collins and Joe Rokocoko; South Africa's Rugby World Cup winners John Smit, Percy Montgomery, Jean de Villiers, Bryan Habana, Bakkies Botha and Schalk Burger; and England's recent captain, Steve Borthwick.
The game will be the first rugby union match to be played at the new Wembley Stadium.
