Griffen Hamilton and assistant director Kylie Utso work with the cast of "Mamma Mia!"
Agoura High Senior Griffen Hamilton To Direct “Mamma Mia!”
Next week, Agoura High School senior Griffen Hamilton will be directing the school's production of Mamma Mia!, his first full-length musical. Griffen has been featured in Raymond Saar's Youth Musical Theater productions…