A Great Britain international representative stand-off or scrum-half, Orr played in the Super League for the Castleford Tigers (two spells), Harlequins RL and the Wigan Warriors.

Danny decided to leave Castleford Tigers at the end of 2003's Super League VIII, signing a 4-year deal with the Wigan Warriors.

He said that the decision was "exceptionally difficult" but added: "I wish to make a totally clean break from Castleford and move with my family to the most famous and successful rugby league club in the world.

[citation needed] Orr signed a three-year deal with the Harlequins RL starting in 2007 and was replaced at Wigan by Trent Barrett.

In 1997, he was a member of the Great Britain Academy side coached by Mike Gregory, an acquaintance he was to re-establish after joining Wigan.