In an interview on May 15, Mad Men star Harry Hamlin, spoke about his favorite television shows, one of which is Ray Donovan.

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While speaking to AdWeek about the shows he watches on television, the actor was quick to mention Ray Donovan. It seems like Hamlin hasn't quite caught up yet as he is still watching the first season of the show but the comparison he drew for the show was probably one of the best compliements he could have endowed.

"Right now I'm holding off on the last episode of Ray Donovan," he said. "It's kind of like not wanting to climax when you're having sex. These shows on television now are so good, and Ray Donovan is one of those. Between that and Game of Thrones, Mad Men, Breaking Bad last year-there's just so many great TV shows. Television has become the new novel."

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The second season of Ray Donovan is set to feature a host of guest stars.

Eilon Bailey was the latest addition to the cast and he will be playing a self-help guru who becomes Ray's new client.

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General Hospital's Andrea Bogart is set to star as Megan, the wife of FBI agent Thomas Volchek (Kip Pardue). Pardue, who plays the part of Volchek also comes on board with season 2 of the Showtime series. Volchek is an FBI agent working under the chief of the Los Angeles division, James Cochran. Hank Azaria will portray Cochran. Both Purdue and Azaria will have recurring roles throughout the season. It was previously reported that Azaria's character will cause problems for Ray (Liev Schrieber) on the show, and it seems like the addition of Pardue will spell double trouble for the fixer.

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Sherilyn Fenn (Twin Peaks) will be guest-starring as Azaria's wife on the series.

Then there are some guest stars who won't be complicating affairs for Ray.

The Wire's Wendell Pierce will also be coming on board as Mr. Keith, a parole officer on the show. Though Pierce's character's circumstances will be pretty abysmal, and instead of posing a threat to Ray, he will be actually taking some help from him.

Vinessa Shaw is also joining the cast as a Pulitzer award-winning Boston Globe journalist who is working on a book about Sully (James Woods) and the circumstances surrounding his death. Shaw's character might create trouble for Ray as she digs deeper while investigating.

The second season will premiere on July 13.

Ray Donovan airs on Sundays at 10 p.m. on Showtime.

Watch a promo for the show here: