Eric Charbonneau

5 min read

Former Riverdale actress Lili Reinhart has been dating actor Jack Martin since spring 2023. They regularly attend events together. Behind the scenes, Martin is Reinhart’s rock. In January 2025, Reinhart credited him for helping her as she sought a diagnosis for a chronic illness she was suffering from. “Jack’s love and support has never wavered for a second during a time when my body was truly falling apart,” she wrote on her Instagram Story. (She revealed to Self that her doctors believe she has interstitial cystitis.)

Here’s everything to know about Martin, his relationship with Reinhart, and his surprising connection to her ex Cole Sprouse.

Who is Jack Martin?

Martin grew up in McLean, Virginia, and graduated from Georgetown University in 2019.

See Full Page