United States player Thretton Palamo, aged 18 when the teams were named and 8 days past his 19th birthday when he made his only appearance in the competition, was the youngest to ever take part at a World Cup final stage.
[2] Jamie Noon was sent home injured on 15 September; he was replaced by Newcastle Falcons team-mate, Toby Flood.
Squad released 14 August 2007[18][19] John van der Giessen was called up to replace Luke Gross.
The following players are on reserve in case of injuries in the main squad Note: Flags indicate national union for the club/province as defined by World Rugby.
[30] Daisuke Ohata tore his left Achilles tendon in Japan's final warm-up against Portugal, and was replaced by Tomoki Kitagawa.
Squad announced 10 August 2007[32] Head coach: Gareth Jenkins Note: Flags indicate national union for the club/province as defined by World Rugby.
Squad announced 14 August 2007[42] Head coach: Daniel Santamans Note: Flags indicate national union for the club/province as defined by World Rugby.
[43] On 11 September, his 24th birthday, Alasdair Dickinson was called up to the Scotland squad to replace the injured Allan Jacobsen.
Martín Gaitán was forced to withdraw from the squad on 18 August after it was discovered he had a blocked artery in his heart, and was replaced by Hernán Senillosa.
[45] José María Núñez Piossek was forced to withdraw from the squad due to injury on 30 August, and was replaced by Federico Martín Aramburú.
[46] Mario Ledesma was forced to withdraw from the squad for the third-place match against France due to injury on 15 October, and was replaced by Eusebio Guiñazú.
Final squad released on 9 August 2007 from Planet-Rugby, other details from Georgian RFU Head coach: Malkhaz Cheishvili Note: Flags indicate national union for the club/province as defined by World Rugby.
Head coach: Eddie O'Sullivan Note: Flags indicate national union for the club/province as defined by World Rugby.