Sean Thornton has signed up for Orient.
The Irish midfielder has taken the option of a one year deal, with the possibilty of a year's extension at the end.
It is understood that will depend on appearances.
Thornton, 26, was key to Orient last season, and is one of the most gifted footballers at the club.
Boss Geraint Williams said: "We're delighted that Sean has signed his new contract with the club.
"The fact that everyone who was offered a new deal has signed shows that they believe in the ambition we have for the club.
"It is great news that Sean is staying as we continue to build our squad for next year," he added.
More to follow.
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