In a 1999 episode of the acclaimed medical drama, Maggie Lawson played a young woman who suffers a spinal injury in a car crash, while her brother (future NCIS: LA agent Eric Christian Olsen) sustained widespread burns.

Despite this on-screen relation, Lawson says she and Olsen wound up dating “for many years” afterward — though for a moment, crew members thought her heart belonged to a different co-star.

“I was hooked up to all the machines when Anthony Edwards walks by and says hello, and moves on. Then someone comes up to me and is like, ‘Do you have a thing for Anthony Edwards? Because your pulse went through the roof when he walked up.’ My pulse ox was on!”

https://tvline.com/gallery/maggie-lawson-tv-roles-memories-psych-lethal-weapon/maggie-lawson-er/