Malibu actor Dick Van Dyke and The Vantastix charmed the crowd with barbershop musical renditions of songs from movies Van Dyke has starred in, including the title song from the film “Chitty Chitty Bang Bang,” as well as the songs “Chim Chim Cher-ee” and “Supercalifragilisticexpialidocious” from the film “Mary Poppins,” among others.