'The Glee Project' Adds Cory Monteith, Naya Rivera, Samuel Larsen as Mentors (Exclusive)

Tyler Golden/Oxygen Media

Cory Monteith with casting director Robert Ulrich

Glee's Cory Monteith and Naya Rivera are following Lea Michele and making their debut as mentors on the second season The Glee Project.

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The Oxygen reality competition series, which saw four of its freshman-season contestants appear on the Fox musical dramedy's third year, will welcome the Glee stars in its third and fourth episodes, respectively, The Hollywood Reporter has learned exclusively.

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In addition, Glee Project Season 1 co-winner Samuel Larsen will return to Oxygen as a mentor in the second episode, "Dance-ability."

Michele will kick off the season in an episode focusing on "Individuality." Monteith will oversee the third episode, airing June 19, which will focus on "Vulnerability" and address bullying, while Rivera's June 26 hour will see the contestants explore "Sexuality."

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Season 1 guest mentors included Jenna Ushkowitz, Darren Criss, Dot Marie Jones, Kevin McHale and Harry Shum Jr., among others. Four contestants from The Glee Project's first season -- Larsen, Damian McGinty, Alex Newell and Lindsay Pearce -- scored multiepisode arcs on the Fox series.

The Glee Project's second season will expand from 12 to 14 contestants and from 10 to 11 episodes and launch in its new night and time at 10 p.m. Tuesday, June 5.

Check out exclusive photos of Monteith (above) and Rivera and Larsen (below) on the Glee Project set with casting director Robert Ulrich.

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