Philadelphia ? Named for a superstar diva and written by a movie comic, “Barbra’s Wedding” is a true study in celebrity.

It is the playwrighting debut of Daniel Stern, who has appeared in such movies as “Home Alone” and “City Slickers.” The comedy, about an unemployed actor struggling with his mediocrity in Hollywood as Barbra Streisand’s wedding to James Brolin takes place, premiered this month at the Philadelphia Theatre Company.

Stern, 44, who has worked as an actor since he first appeared in the 1979 movie “Breaking Away,” said the play was based largely on his experiences.

“When you see the play, it’s the darkest recesses of an actor’s mind, how celebrity and all that can mess with your head and you lose sight of what’s important,” he said. “I hate to admit this because the character is so pathetic, but there are definitely thought patterns that are my own.”

The main character, Jerry Schiff, is the former fourth lead in a long-dead sitcom called “Everybody’s Peachy.” Played by John Pankow (TV’s “Mad About You”), Schiff is still hoping, despite obviously bad odds, that he can get a comeback role or at least an “Everybody’s Peachy” reunion special.

His exasperated wife, Molly, played by Julie White (“Six Feet Under”), spends most of the play trying to snap him out of it.

The play received mixed responses from local critics.

Desmond Ryan of The Philadelphia Inquirer said it was a “promising, if uneven” debut. He said the comedy was a good first effort, with moments that were funny and insightful about celebrity, but at times it was predictable.

And Philadelphia Weekly critic J. Cooper Robb said the show took a while to get going, but featured clever dialogue and strong performances. He also said it was clearly a beginner’s work. “‘Wedding’ can be very funny, but its fractured plotting and manipulative conclusion betray Stern’s novice status,” he said.

Stern said one of the reasons he started writing was to escape stardom. He had appeared in dozens of films and was the voice of the adult Kevin Arnold on “The Wonder Years.” But after several big hits in the 1990s, including “Home Alone” and “City Slickers,” he said he became too well-known.

“It was too much public stuff. … I’d never been so recognizable,” the gangly, nasal-voiced actor said. “I’ve always been a nice side character actor, and suddenly I was front and center.”

So about five years ago he decided to slow down and spend more time with his family. During that period, he said, he started to write.

“I was trying to teach myself to type,” he said. “And I thought, this is really boring, so I started to write things.”

Stern, who lives near Streisand in Malibu, Calif., said “Barbra’s Wedding” was inspired by the circus he saw on her wedding day.

“I live near enough that with the helicopters I was like, ‘What is going on?”‘ he said.

Of course, the wedding is just a backdrop for the real action.

“It’s really an examination of a marriage of this couple,” he said. “Their marriage is at a critical point. It’s watching them work through their things. The wedding next door is a catalyst for that.”