The couple made their new relationship Instagram-official with photos and videos from a recent trip together.
Pelphrey, 39, who grew up in Howell and plays Ben Davis in the Netflix series “Ozark,” shared Polaroids of the smiling couple.
On Broadway, he appeared in “Fool for Love” and “End of the Rainbow.” His upcoming roles include the HBO Max true-crime series “Love and Death” about the 1980 murder of Betty Gore in Texas and investigation of housewife Candy Montgomery.