While he posted on Twitter last year a photo of Alexander to mark her birthday and wrote: “Happy Birthday @JaimieAlexander Love you baby.”
Along with Blindspot, Alexander has appeared in The Brink, Thor, The Last Stand and Nurse Jackie.
Prior to her romance with Pelphrey, Alexander was engaged to actor Peter Facinelli with the pair dating between 2012 and 2015.
They later called time on their engagement with a statement from her publicist reading: “”Due to conflicting family and work commitments on opposite coasts, and after much consideration, Peter and Jaimie have chosen to part ways amicable and remain good friends.”
She was also previously linked to stuntman Airon Armstrong after meeting on the set of Blindspot.
But now, it looks like Alexander and Pelphrey are a happy item together.
Ozark seasons 1 to 3 are streaming on Netflix now