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OTRC: 'Smash' season 2: 5 spoilers and new guest stars

Katharine McPhee appears in a 2012 episode of the NBC series 'Smash.' (Will Hart / NBCUniversal)

"Smash," the musical drama set in the world of Broadway, is set to return for a second season next year with a set of new faces as well as returning stars like Katharine McPhee and Debra Messing.

The show will feature a variety of new characters next season and while viewers might be a few months away from the show's mid-season premiere, there has been plenty of news about the new characters.

Check out five spoilers for the show's second season below.

1. "Rent" and "Hairspray" stars stop by.

NBC announced last week that "Rent" star and former "Law & Order" actor, Jesse L. Martin, will have a recurring role on the show as Scott Welker for six episodes.

Welker will be the artistic director of the Manhattan Theatre Workshop "whose story crosses with virtually every cast member," according to the press release. The network also confirmed he will sing in some episodes for the season.

Meanwhile, The Hollywood Reporter revealed that Nikki Blonsky of the musical film "Hairspray" will also appear on the series next season in a recurring role. Wesley Taylor, who plays an ensemble player named Bobby on the show, Tweeted a picture of Blonsky on set.

2. A new diva is in town.

If Karen thought she had her hands full with Ivy, she'll need to gear up for a real Broadway diva played by Jennifer Hudson.

Hudson will play Veronica Moore, a Tony-winning Broadway star and it sounds like Ivy will have a run-in with her as well. Robert Greenblatt, Chairman of NBC Entertainment, said in a statement, "Her character will represent someone who reached their Broadway dream but also paid a price for it."

Vulture reported that Sheryl Lee Ralph will play Moore's mother. Ralph was nominated for a Tony Award in 1982 for playing Deena Jones in the Broadway musical "Dreamgirls," which spawned a film starring Hudson who went on to win an Academy Away for her role as Effie in the film. Ralph is likely best known to television audiences for her role as Dee Mitchell on "Moesha."

3. TV fans will get a "Will & Grace" reunion.

No, this doesn't mean Eric McCormack is stopping by the show, but another fan favorite character from the sitcom will appear on the series. Sean Hayes, who starred as struggling actor Jack McFarland on "Will & Grace," will join the cast of "Smash" for a multi-episode arc.

Hayes will play Terrence Falls, a comedic television and film star making his Broadway debut in the fictional musical "Liaisons," based on the novel "Les Liaisons Dangereuses." The actor apparently "becomes a major thorn in the side for Ivy Lynn and other characters," according to a statement for NBC.

4. Out with the old cast, in with the new regulars.

New season, new showrunner, new series regulars. Josh Safran was brought in to replace series creator Theresa Rebeck as the showrunner for the second season and the show has reportedly done away with characters like the conniving Ellis (Jamie Cepero) and Karen's philandering boyfriend Dev (Raza Jaffrey).

In their place the show has picked up Broadway stars like Krysta Rodriguez of "The Addams Family" and Jeremy Jordan of "Newsies" to be series regulars, according to TVLine.

Jordan will play a straight and sexy Brooklyn-born singer with "a self-destructive" streak. Rodriguez, meanwhile, will play Karen's new roommate who is also trying to make her big break on Broadway.

5. Debra Messing's new love interest?

Cepero and Jaffrey were not the only actors from last season to get the ax. Debra Messing's character, Julia, will be on the market in the new season due to the departure of Brian D'Arcy James as Julia's husband Frank and Will Chase as Julia's former lover Michael Swift.

According to Entertainment Weekly, Julia won't be lonely for long. Daniel Sunjata will reportedly have a recurring role on the show as Julia's love interest. The actor has had roles on "Rescue Me" and "Grey's Anatomy" and little else is known about the character.

"Smash" returns for its second season next year.

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