Jack Quaid and Amber Midthunder are “dialed in,” making the romantic side of Novocaine work. As previously reported, the Paramount Pictures film Quaid stars as Nate, a regular guy — except for one thing: he can’t feel physical pain.

Jack Quaid and Amber Midthunder were among the actors who attended the Los Angeles premiere of "Novocaine" on Monday.

Novocaine could have been written by a 12-year-old, and I’m not sure I mean that pejoratively. It’s a riff on superhero stories, but it’s been thought up with a whiff of dopey plausibility: The film’s protagonist,