Here are some recommended novels featuring a male protagonist who is an actor and a female protagonist who is a substitute or stand-in:
1. "還你六十年" by 三水小草: This novel tells the story of a girl who becomes a substitute, an extra, and a supporting actress. Eventually, she becomes the youngest Best Actress and the most versatile actress, with a soul tormented by an unfulfilled dream for sixty years.
2. "替身帝君" by 鳳久安: This novel follows the story of a substitute emperor who falls in love with the female lead.
3. "職業(yè)替身,時(shí)薪十萬(wàn)" by 淵爻: This novel revolves around a professional substitute who earns a high hourly wage.
4. "白月光回來(lái)了" by 紫青悠: In this novel, the female protagonist becomes a substitute for the moonlight, and the story explores her journey.
Please note that these recommendations are based on the provided search results and may not represent the entirety of novels featuring a male protagonist who is an actor and a female protagonist who is a substitute.