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'House' costars Jennifer Morrison and Jesse Spencer called off engagement

Los Angeles (E! Online) - You know what they say about office romances...

House costars Jennifer Morrison and Jesse Spencer, both 28, have called off their engagement, the couple announced Wednesday.

"After much consideration, we have decided not to get married," the duo, who have been an item both on the show and in real life for more than a year, said in a joint statement to People. "We are still very close, and we look forward to continuing to work together on House."

Ironically, their characters on Fox's hit medical drama had finally passed the friends-with-benefits stage and taken the plunge into a real relationship by the end of the third season.

Spencer popped the question over the Christmas holiday last year in Paris, offering up a ring in front of the Eiffel Tower and proposing in French. Morrison told InStyle Weddings last month that at first she didn't understand what her beau was up to.

"I was like, 'Uh, what are you doing?' " recalled Morrison, who also graced the special issue's cover. "He said, 'I'm asking you to marry me in French!' I was just staring at him. I don't speak French. And he said, 'Well, are you going to answer?' And I replied, 'Oh, yes! Yes! Yes! Yes! Yes!' "

They had been planning to tie the knot later this year in Los Angeles in front of about 200 of their nearest and dearest. Instead, it looks as if Chase and Cameron will be spending more time staring into a microscope than into each other's eyes. (Morrison and Spencer have dished about their on- and offscreen romance to E! Online's Watch with Kristin.)

Season three ended in May with both doctors seemingly leaving Princeton-Plainsboro Teaching Hospital for less curmudgeonly pastures, after Chase was fired and Cameron resigned. But both Morrison and Spencer, as well as Omar Epps, whose Dr. Eric Foreman also supposedly split, are returning to House in the fall, so show runner Dave Shore must have something else in mind for Hugh Laurie's resident trio of consciences.

Nevertheless, when the Emmy-nominated series' fourth season kicks off, the diagnostic wing will be more crowded than usual. Kal Penn, Olivia Wilde, Anne Dudek, Peter Jacobson and Edi Gathegi are all joining the cast as young doctors in competition to join House's team.

House fans can get in the mood before the Sept. 25 premiere by snagging the show's first soundtrack album, due out Sept. 18, featuring Massive Attack, Ben Harper, Gomez, Lucinda Williams, Joe Cocker, previously unreleased tracks from Sarah McLachlan and Elvis Costello, and the Band from TV's cover of the Rolling Stones' "You Can't Always Get What You Want."

The Band from TV is Laurie's group with Heroes star Greg Grunberg, Desperate Housewives' James Denton, Bonnie Somerville from the upcoming ABC dramedy Cashmere Mafia and The Bachelor's Bob Guiney.

Five New Docs Make 'House' Full

Princeton Plainsboro is becoming quite the full House.

Five new actors have signed on to star in the upcoming fourth season of the Fox hit, filling the show's quota of smart, pretty people in the wake of the apparent departure of the good doctor's interns.

Olivia Wilde (The O.C.), Kal Penn (Harold and Kumar), Peter Jacobson (The Starter Wife), Anne Dudek (Big Day) and Edi Gathegi (Lincoln Heights) will get a lesson in condescension when they join the medical drama this fall.

The network has kept mum about how long each of the would-be replacements will stick around the house that Hugh Laurie built; however, E! Online's TV blog, which first broke the casting news, reports that the fresh meat will stick around for just eight episodes.

According to the Hollywood Reporter, Wilde will play a young doctor named Thirteen, which in itself is no doubt enough to rile House's feathers, and who is expected to work very closely with the diagnostician.

The remaining thesps are expected to play candidates for a fellowship with House, presumably vying for the chance to step into the shoes of Cameron, Chase or Foreman, each of whom wound up on the outs at the close of season three.

Foreman (Omar Epps) left the hospital in the season finale after giving his two weeks' notice, claiming he did not want to turn into House. Chase (Jesse Spencer) was randomly axed by his capricious mentor, while Cameron (Jennifer Morrison) announced she was leaving.

House, which has nabbed series star Laurie a gaggle of Best Actor nods over the past three years, kicks off its fourth season on Sept. 25.