Papua New Guinea international Marcus Bai added a Super League Grand Final winner's ring in 2004 to the NRL championship he won with Melbourne Storm five years earlier.
The best signing made by any Super League club in 2004, he scored a hat-trick on his Rhinos debut and repeated the feat in the play-offs win over Wigan which took Rhinos to Old Trafford.
Another player to make his Great Britain debut in the 2004 Tri-Nations, Bailey has established himself as one of this country's most exciting front-row prospects.
Bailey joined Rhinos from the Milford Marlins amateur club in 2000 and became one of the club's first-choice props three years later after building a big reputation in the all-conquering Academy side.
The smallest player in Super League, Burrow made his Rhinos debut in 2001 and was named Super League's young player of the year in his first season.
Burrow skippered England Academy on their tour of New Zealand and Australia in 2001 and has since gone on to star for Yorkshire and England, becoming a feared impact player of the substitutes' bench.
Mark Calderwood suffered a frustrating season in 2004, after being Super League's leading try scorer in each of the two pervious years.
After a spell on the sidelines, he was drafted into the side for the final eliminator and kept his place at Old Trafford. That performance earned him a place in the England squad and he was later placed on stand-by for Great Britain.
Rhinos' player of the year in 2004, Diskin's try-scoring performance saw him win the Harry Sunderland award as man of the match in the Grand Final win over Bradford Bulls.
He was a member of the 2004 Super League Dream Team and earned a place in Great Britain's Tri-Nations squad, but suffered a serious knee injury on his debut which will keep him out of action until May.
Andrew Dunemann came to Leeds' attention with a starring performance against them for North Queensland in the 1997 World Club Championship, finally joining Rhinos five years later after a stint with Halifax.
A strong defender with crafty hands and an incisive football brain, he was a key figure for Rhinos in their championship season, but was left out of the side for the Grand Final.
Chris Feather joined Rhinos from Wakefield for the 2003 season on a four year contract, but had to wait until the following year for his first start after featuring regularly off the substitutes' bench.
Feather had a spell back at Belle Vue on loan towards the end of 2004 and was a star performer in Wildcats' play-offs campaign.
Signed in August 1997, Jones-Buchanan endured a series of injury problems before becoming a regular member of Rhinos' senior squad in 2003.
Coach of the Stanningley amateur club, he won Rhinos' commitment to the community award in 2003 and was chosen for the Grand Final side ahead of Aussie veteran Matt Adamson.
The Kiwi international was described as the most significant signing in Super League history when he joined Rhinos from New Zealand Warriors mid-way through 2004.
Respected throughout the game for his brutal defence and dazzling handling skills, Lauitiiti was named in the 2004 Super League Dream Team and starred for the Kiwis in the Tri-Nations.
The longest-serving member of Rhinos' senior squad, McDermott joined Leeds from Wigan in 1995 and celebrates his testimonial season in Super League X.
The former Great Britain prop's autobiography Made for Rugby was published in 2004.
Wayne McDonald is the tallest player in world rugby league. Leeds-born, he joined Rhinos from St Helens having previously played at Hull and Wakefield.
The current Scotland captain, McDonald suffered the disappointment of missing out on Rhinos' 2004 Grand Final team.
The hottest young property in the British game, McGuire finishing second to Bradford's Lesley Vainikolo on the Super League try-scoring charts in 2004.
Named in the Super League Dream Team, the former East Leeds amateur half-back went on to make his Great Britain debut in the Gillette Tri-Nations, after starring for England the previous year.
Date of birth 29/10/74.
Height 1.90 metres.
Australian former Test centre Chris McKenna joined Rhinos from National Rugby League side Cronulla at the start of the 2003 season, after earlier spells in England with Sheffield Eagles and London Broncos.
McKenna made seven State of Origin appearances for Queensland and has been capped twice by Australia, scoring a try in the record win over Great Britain in 2002.
Richard Mathers made his debut for Rhinos at the end of the 2002 season after returning from a loan spell at Warrington Wolves.
A life-long Leeds fan, he became a first team regular in 2004, ousting Great Britain hero Gary Connolly from the squad early in the campaign.
Willie Poching captained Samoa in the 2000 World Cup. He had spells with Auckland, Brisbane, Hunter Mariners and St George before joining Hunslet Hawks and then Wakefield Trinity Wildcats.
One of the club's most versatile players, Poching had an outstanding season for Leeds in 2004, earning a one-year contract extension.
A former Churwell Chiefs junior, Scruton made his Rhinos debut as a 16-year-old, but had his progress stalled by a series of injury problems.
He was promoted into the senior squad in 2004, but spent much of the season on loan at Hull, scoring against Leeds in a Super League game at Headingley.
Rated as one of the best centres in world rugby, Keith Senior signed for the Rhinos from Sheffield Eagles on the last day of the regular 1999 season.
A member of Great Britain's 2004 Gillettte Tri-Nations squad, Senior is a regular in the Super League Dream Team and one of the most powerful finishers in the game.
Kevin Sinfield ended 32 years of hurt when he lifted the Super League trophy after skippering Leeds to their 2004 Grand Final win.
Sinfield joined Leeds in 1996 and made his debut as a 16-year-old. He was Super League's leading points and goals scorer in 2004, but was a shock omission from Great Britain's Tri-Nations squad.
Originally signed from Hunslet Warriors, Chev Walker made his debut for Rhinos as a 16-year-old and had his best season for the club in 2004.
Walker played in all five games for England in the 2000 World Cup and won his first Great Britain cap in the 2004 Gillette Tri-Nations.
The son of former Leeds skipper David Ward, Danny followed in his father's footsteps when he made his Great Britain debut in 2004.
Ward made his debut for Rhinos as a teenager in 1999 and became one of the first-choice props in 2004, when he collected a Grand Final winner's ring.
Tony Smith became Rhinos' head coach in November 2003 - after transforming Huddersfield Giants' fortunes - and guided them to the Super League title at the first attempt.
The younger brother of former Hull and Bradford boss Brian Smith, he played in two Australian Grand Finals for St George , in 1992 and 1993.