'The Glee Project' Enlists Dianna Agron, Grant Gustin as Mentors (Exclusive)

Dianna Agron and Grant Gustin

Glee's Dianna Agron and Grant Gustin are heading to Oxygen.

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The duo have been tapped the final two mentors on The Glee Project's second season, The Hollywood Reporter has learned exclusively.

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Agron, who plays the Yale-bound Quinn, will make her debut on the Oxygen reality competition on the Aug. 7 episode, which will feature a new theme: "Actability."

For his part, Gustin -- a recurring player as Dalton Academy Warbler Sebastian -- will also make his debut on the Oxygen series, whose winner receives a seven-episode arc on Glee, in the July 17 "Theatricality" hour.

Agron and Gustin join fellow first-time mentors including Lea Michele, Cory Monteith, Naya Rivera and Jane Lynch, who oversees Tuesday's "Fearlessness" episode.

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Upcoming mentors include Amber Riley ("Tenacity"), Darren Criss ("Romanticality") and Chris Colfer, who will oversee the "Glee-ality" Season 2 finale on Aug. 14.

The Glee Project airs Tuesdays at 10 p.m. on Oxygen. Who's your favorite to win?

Email: Lesley.Goldberg@thr.com; Twitter: @Snoodit