"High School Musical: The Musical: The Holiday Special" will also feature Joshua Bassett, Olivia Rodrigo, Matt Cornett, Sofia Wylie, Larry Saperstein, Julia Lester, Dara ReneƩ, Frankie Rodriguez, Joe Serafini, Mark St. Cyr and Kate Reinders sharing their childhood holiday memories, best - and most embarrassing! - gifts, favorite traditions and family photos.