Boston Blue's Mika Amonsen addressed getting the chance to play Donnie Wahlberg's onscreen Sean - a role that was recast after Andrew Terraciano originated the character on Blue Bloods. "I definitely felt a ton of pressure at first. I felt the pressure to respect an actor before me because I wanted to respect Andrew the best I could," Amonsen exclusively told Us Weekly. "There were even certain visual choices that I made that I wanted to keep in terms of hair styling and certain ways of being [as Sean].