[1] He made his debut for the Wales national senior side against Ireland during Wales' 2003 Rugby World Cup warm-ups, and was included in the squad for the 2003 Rugby World Cup in Australia – he played in the games against Canada and Tonga.

In 2004, he played against Scotland and France as part of the 2004 Six Nations Championship, in which Wales finished fourth.

Following this, he was selected for the 2008, 2009, 2010 and 2011 Six Nations Championship squads which included a Grand Slam victory in 2008, and subsequently also played in the 2011 Rugby World Cup acting as first choice Hooker.

[2] This later led to Bennett joining French club Lyon earlier than expected to start his 12-week recovery.

However, in June 2013, Bennett announced his retirement due to recurring Achilles tendon rupture injury, and would leave Lyon without ever playing for the team.