Stephen Lee (born 12 October 1974) is a professional snooker-player from Trowbridge, Wiltshire, England, whose smooth cue action is regarded by some pundits as the most natural in the game.. He entered the Top 16 during the 1997/1998 snooker season. He won four ranking titles between 1998 and 2006. His form declined dramatically in 2006 and dropped out the 16 after the 2007/2008 snooker season a run of 11 consecutive seasons (including 5 consecutive seasons in the top 8. He returned to the Top 16 during the 2011/2012 season. Lee has compiled 160 competitive century breaks during his career.

Lee turned professional after winning the English Amateur Championship in 1992. During his first season as a professional he had a run of 33 successive frames won during qualifying matches, an all-time professional record. He reached the Top 16 of the rankings five years later, despite never having reached the semi-finals of a ranking event at this point. He entered the Top 8 after winning his first ranking title during the 1998/1999 season.

Judd Trump (born 21 August 1989) is an English professional snooker player from Bristol. He enjoyed considerable success in youth tournaments before turning professional in 2005. On 3 April 2011, Trump won his first ranking title, beating Mark Selby 10–8 in the final of the China Open. Following this success in China, he reached the final of the 2011 World Snooker Championship where he was defeated by John Higgins. He then went on to win the 2011 UK Championship where he defeated Mark Allen 10–8 in the final.

Trump was English Under-13 and Under-15 champion, and reached the World Under-21 Championship semi-finals at the age of 14. At the same age, he became the youngest player ever to make a competitive 147, beating Jamie Jones's record.

In the 2005/06 season he joined the professional tour, and at the Welsh Open became the youngest player ever to qualify for the final stages of a ranking tournament. He reached the same last-48 stage for the China Open, losing 4–5 to Michael Holt, although this was designated the final qualifying round and was actually played in Prestatyn, Wales.

Andrew Higginson (born 13 December 1977, Cheshire, England) is an English professional snooker player, currently living in Widnes. He is best known for reaching the final of the 2007 Welsh Open as a virtual unknown. His career earnings are just over £200,000.

After some success in amateur tournaments, he turned professional for the 2000/2001 season after finishing third on the Challenge Tour. He remained there for five seasons before dropping off, after encountering limited success. He won a place back on the tour for 2006/2007 after finishing second on the Pontins' International Open Series.

He reached the last 16 at the 2007 Malta Cup where he beat Steve Davis 5–4 before losing 2–5 to Ken Doherty. At the very next tournament, the 2007 Welsh Open, Higginson hit an extraordinary run of form, making his first professional 147 break on his way to beating Ali Carter 5–1. He also beat John Higgins 5–3 (despite being 0–3 down), Michael Judge 5–1, and Stephen Maguire 6–3 to reach the final. As he had spent the 2005/2006 season on the secondary Challenge Tour, he was the first unranked player to reach a ranking final since Terry Griffiths won the World title in 1979. At the end of the first session of the final, he trailed 2–6 to Neil Robertson. In the second session, Higginson managed to take the lead and change the score to 8–6, but Robertson recovered to level the scores at 8–8 and force a deciding frame, which Robertson won. Higginson earned £20,000 for his 147 break, £2000 for the highest break and £17,500 for being the runner-up.

Ronald Antonio "Ronnie" O'Sullivan (born 5 December 1975) is an English professional snooker player known for his rapid playing style, and is nicknamed "The Rocket". He has been World Champion on four occasions (2001, 2004, 2008 and 2012) and, with career earnings of over £6 million is second after Stephen Hendry on snooker's all-time prize-money list. O'Sullivan has been the world's no. 1 player on five occasions, and has won a total of 24 ranking titles. He is second, again behind Hendry, on the list of players making the most competitive century breaks, with a total of 678. O'Sullivan has compiled 11 maximum breaks in professional competition, a record which he shares with Hendry. He also holds the record for the fastest maximum break, at 5 minutes 20 seconds.

O'Sullivan is considered by many fans, critics and professionals, including fellow multiple-World Championship winners Hendry and Steve Davis, as the most naturally talented player in the history of the game. He has, however, been involved in a number of controversial incidents during his career.