萨米-杰克·马丁卡克，Sammi-Jack Martincak has been performing since age 6, when she debuted in the off-Broadway production of "The Sound of Music" as Marta. She then embarked on a musical-theatre career, performing in such productions as "Annie" (as "Molly") and as "Betsy" in "Understood Betsy", followed by the highly acclaimed play "Pillowman" by Martin McDonough.