“American Idol”; and “Glee”; alum, Adam Lambert, will co-star in Fox’s rendition of “The Rocky Horror Picture Show”;.

Meat Loaf was the original Eddie when the cult film was released in 1975, but will now be taken on by Lambert.

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Lambert joins the cast of Victoria Justice and Ryan McCatan as they take on the roles of Janet and Brad. Penny Dreadful alum Reeve Carney will play Riff-Raff and Staz Nair will portray Rocky Horror.

The singer/actor was originally up for the role of Frank-N-Furter but it eventually went to Orange Is The New Black star, Laverne Cox.

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The two-hour Fox TV special is set to air in the fall and will be directed by Kenny Ortega, who is known for directing the High School Musical films.