LAS VEGAS — The creator of “Family Guy” is also “Showman Guy.”

Seth MacFarlane is coming back to Las Vegas with his big-band presentation, taking over Voltaire at The Venetian on July 3, 4 and 5. MacFarlane is famous for the animated series and a stack of film and TV projects, among them “The Orville: New Horizons” on Hulu and Peacock’s original comedy “Ted.”

But MacFarlane is an able front man and a devoted singer of standards. He’s headliner Reynolds Hall at The Smith Center for the Performing arts the past two New Year’s Eves. He was also featured at Encore Theater at the Wynn more than a decade ago.

MacFarlane sings in a guttural baritone, the style inspiring his ninth album, “Lush Life: The Lost Sinatra Arrangements,” due June 6. The shows at Voltaire are backed by a 29-piece orchestra, conducted by accomplished composer/arranger/musician/lyricist Joel McNeely (“The Avengers,” “Air Force One,” Fox’s “Dark Angel”).

The Voltaire show is unearthing yet-to-be heard arrangements from Sinatra’s archives.

MacFarlane steps into the room as headliner Dita Von Teese performs dates in London. There is a suggested dress code for this show, cocktail attire encouraged (doors at 8 p.m., show at 9, go to voltairelv.com for intel).

“It’s a rare treat to perform in a top-tier Las Vegas venue like Voltaire, and to revisit the great history of orchestral jazz that once flourished in this town,” MacFarlane said in a statement. “I’m thrilled to have the opportunity to do so alongside a world-class orchestra, and my longtime musical collaborator.”

McNeely says, “Seth’s musical prowess for this genre, coupled with his captivating on-stage presence, is unmatched.”

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