‘The Unbreakable Boy’ Review: Zachary Levi Is the Troubled Dad in an Autism Drama Too Feel-Good for Its Own Good

“The Unbreakable Boy” was completed three years ago, and that means the Zachary Levi we see in this movie is closer to the brightly grinning earnest man-child who was so appealing in the first “Shazam!” film, which came out in 2019.