On Broadway, with most shows shuttered, Monday is typically the day actors and crews rest and recharge.

Or, if you’re Lindsay Michelle Mendez and John Alex Brinson, it’s the day you get married.

Ms. Mendez currently stars as Mary Flynn in the musical “Merrily We Roll Along,” so the wedding was planned not just around her schedule, but that of the officiant and ring bearer’s, too — Ms. Mendez’s castmates Jonathan Groff and Daniel Radcliffe.

Ms. Mendez and Mr. Brinson, who is also an actor and goes by J. Alex Brinson, first met in 2019 while working on the CBS courtroom procedural “All Rise.” Ms. Mendez played the court reporter and Mr. Brinson the bailiff. In the very first episode, Mr. Brinson’s character jumped up to protect Ms. Mendez and their other castmates during a dramatic scene.

“My hero from day one,” Ms. Mendez said. “Even in storytelling form.”

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At first, the pair were just friends; both were married to other people at the time. Three years and many episodes of “All Rise” later, in the spring of 2022, they took one step closer to becoming something more when Ms. Mendez, who had divorced, asked Mr. Brinson to move in with her … as a roommate.

“He was living in a hotel and filming and had to drop his laundry at a random place,” said Ms. Mendez, who has a daughter named Lucy, now 3, from her previous marriage. “I said, ‘you know, I have a 1-year-old at my house and a pullout sofa. I don’t know if that would be interesting to anyone, but you’re welcome to stay if you need a place.’”