I’m not sure this is the best translation. I would be inclined to interpret the German sentence more like “The actress repeats her lines.”
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When “wiederholen” is used with an accusative object, it can mean “to rehearse”, though you do have to scroll down a bit in the list of possible definitions to find that one: dict.cc | wiederholen | English Dictionary
I’m not sure how common that usage of “wiederholen” is compared to the more usual definition (“to repeat”).