Mallory Muller Goatherd Ensemble Ushers & Concessionaires Territory Folks! (Ensemble) Mallory Muller (Ensemble) Mallory has been involved with the Actorsingers for many years now. Her mother Donna O'Bryant choreographed CATS last spring and also Jesus Christ Superstar. Mallory was in a few Jr. Actorsingers shows and was also in the 1997 production of The Sound of Music. Mallory would like to thank her boyfriend and mother for believing in her and she hopes all her friends and family enjoy the show! Mallory's mother is Donna O'Bryant Metzger. 2009.02.18