Johnson, known for playing Coach Jack Bolton in the popular movie series High School Musical, took to his Twitter account to slam Baldoni and call his behavior out. He wrote, “He’s a fraud.

Blake Lively's family is all in this together. Bart Johnson, Lively's brother-in-law who played the "High School Musical" coach Jack Bolton, slammed her co-star and "It Ends with Us" director ...

What a performance." As previously mentioned, he is known for playing Coach Jack Bolton in the High School Musical movie series. He portrayed the father of the lead character, Troy Bolton (Zac Efron).

Troy Bolton ... to East High, his high school in New Mexico, to find that Gabriella is a new student there. They quickly become close friends and accidentally audition for the school musical.

The High School Musical film series chronicles two high school students, Troy Bolton, captain of East High School’s basketball team (Wildcats) and Gabriella Montez, a shy top student.

The High School Musical film series chronicles two high school students, Troy Bolton, captain of East High School’s basketball team (Wildcats) and Gabriella Montez, a shy top student.