Joe Alwyn was spotted on what appeared to be a romantic stroll with costar Mary Beth Barone in between filming scenes for their new movie together.The fellow actors were seen bonding during a walk through New York City on Monday amid ongoing speculation that the pair became more than castmates while filming the movie.Alwyn, 35, and Barone, 35, also wore coordinating looks as they stepped out in matching blue attire for their casual outing amid production of their film, Still We Met.The Conversations with Friends star wore a blue Knicks T-shirt paired with distressed jeans and black sneakers for their stroll.He sported tousled hair and wore a pair of Wayfarer sunglasses for a casual, relaxed appearance. He was last romantically linked to Sarah Pidgeon, the 29-year-old actress who plays Carolyn Bessette in Love Story, when they were spotted kissing over the summer. Joe Alywn was spotted on what appeared to be a romantic stroll with costar Mary Beth Barone in between filming scenes for their new movie togetherAlwyn and Barone appeared to be on a casual hangout while running errands and shopping as they were both spotted carrying tote bags filled with goodies.The comedienne had a black, mesh bag on her shoulder and sported a casual, athleisure-inspired outfit.She wore a pair of vibrant blue leggings paired with a skintight, white jacket and chunky running sneakers to match.Over her dark brunette tresses, she wore a black baseball cap with white text across the front. The pair are currently working together for Still We Met, which marks Barone’s feature screenwriting and acting debut. The upcoming romantic comedy film stars Barone opposite Alwyn as a charming British man named Isaac. Emmy nominee Zackary Drucker will be making her narrative feature directorial debut with the project. The story follows, per Deadline, a young woman at a crossroads as she meets a charming British stranger and spends one unforgettable night wandering New York, revealing more than either intended. The fellow actors was seen bonding during a walk through New York City on Monday amid ongoing speculation that the pair became more than castmates while filming the movie