Kevin Zegers's Wedding-Planning Workload: '95 Percent Her, 5 Percent Me'
07/21/2013 AT 07:05 PM EDT
Take wedding planning. Kevin Zegers, who ties the knot next month with Jaime Feld, says the workload fell this way: "95 percent her, 5 percent me."
"I got my tuxedo," he tells PEOPLE, "and helped her with the flowers a little bit."
Zegers, 28, next appears in The Mortal Instruments: City of Bones, the big-screen adaptation of the wildly popular young-adult novels. With a premiere date of Aug. 21, it's been a juggling act between wedding prep and movie publicity.
"The timing was weird," he said while promoting the movie at Comic-Con in San Diego on Friday. "But I'm so excited, I really am. It's to the point now where it's all planned. I just can't wait to get married."
The Gossip Girl actor says the biggest pre-wedding challenge has been "just figuring out where to put people" – the guest list stands at 250.
"She's an agent, so a lot of her clients are going to be there. We're figuring out whether to put my aunt and uncle, who live on a farm, next to some of her clients," Zegers explains. "It's a very fine balance."
He adds with a laugh, "It's probably the weirdest group of people coming together that you'll ever want to see."
After squeezing the wedding in between international publicity tours, they'll zip off for a one-week honeymoon, then it's back to work for Zegers, filming the sequel to The Mortal Instruments.
"Thank God I'm marrying someone who has a big understanding of how crazy this life can be," he jokes.