Chapman To (born 8 June 1972), also known as To Man-chak (杜汶澤), is a Hong Kong actor. He is best known for his roles in films such as Infernal Affairs and Initial D.To began his acting career in TV soap operas and moved to the big screen in 2000. He is best known for playing Tsui Wai-Keung in the Infernal Affairs trilogy, as well as the role of Itsuki Tachibana in Initial D. He remarried in 2005 to Kristal Tin. In 2006, he starred in Pang Ho-Cheung's film, Isabella with Isabella Leong. Along with acting, To was also a radio personality for Commercial Radio 2 (CR2). He hosted the show, On a Clear Day, a 2-hour morning show which was co-hosted by Michelle Lo and Jan Lamb. However, after a fall-out with the key personnel of the radio company, Chapman lost the radio hosting job in 2006. To is also an avid amateur photographer. In 2011, To was hired as the photographer for cantopop singer Prudence Liew's album, Love Addict. To stated that this is the first time he is paid for his photography work. In March 2014, To expressed support for the Sunflower Student Movement in Taiwan, which was skeptical of a proposed agreement to create closer ties between Taiwan and mainland China. During Hong Kong's umbrella movement, he was involved in online arguments with some mainland netizens. To criticized the Chinese government and proudly stated to netizens to, "Stop me from coming to the mainland if you've got guts" Chinese audiences reacted and To’s first two movies after the incident, Let Go for Love and Aberdeen, flopped at the Chinese box office. The production companies apologized and regretted casting To. Hong Kong directors, such as Wong Jing, subsequently refused to work for To, resulting in him being blacklisted in both the Chinese and Hong Kong movie market. Exiled from the lucrative Chinese market, To focused on Malaysia and Singapore. However, despite not having Chinese investment, his movies have achieved success in its target markets. To acted as director, writer, and actor for these low budget films.

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