"I found that my father had a lot in common with his own father — more than he realizes. They had a tumultuous relationship when he was a child and a teenager because his father was quite strict and very demanding," she shares.

Recalling that the movie began production before the COVID-19 outbreak, Dolores says they faced several difficulties — from raising money to taking care of Michael, who fell ill during the shoot — while continuing the "detective work" of tracing the mystery.

Aside from the filmmaking process, Dolores also recalls her grandfather's connection with China.

Charlie Chaplin visited Shanghai twice in 1936, meeting prominent figures of the time, including Peking Opera master Mei Lanfang, renowned painter Liu Haisu, and movie star Hu Die. In 1954, Premier Zhou Enlai met with him on the sidelines of the Geneva Conference.

"He was a big fan of China. He had a lot of beautiful artworks from China, and I could see that it was a culture he really liked," she comments.