Dong Zhi Cheng (Chinese: 董至成; pinyin: Dǒng Zhì Chéng, born December 22, 1964 in Taiwan), also known by his English name Alex Tung, is a Taiwanese television host and actor. He is best known as the host of the variety shows, Red Versus White and Variety Get Together.
Dong began working in the entertainment business in 1990. Dong became a co-host on I Love Matchmaker (我愛紅娘) in 1992. The same year, he recorded an album, entitled I'm Very Happy, I'm Very Sad (我很愉快、我很難悲哀). Dong ventured into acting with a supporting role in the 1995 drama Jinye Zuo Meng Ye Hui Xiao (今夜作夢也會笑).
In 2001, he portrayed father of Barbie Hsu's character in Meteor Garden. Cheng reprised his role in the 2002 sequel, Meteor Garden II. Dong has also appeared in My Lucky Star (2007), Honey and Clover (2008), Skip Beat! (2011), and Someone Like You (2015).
He married his wife Luo Ruo Yun (羅若云) on January 6, 1999. The couple have one child named Dong Ding Rui (董定叡), born June 6, 2006.
|1995||Jinye Zuo Meng Ye Hui Xiao||Huang Yuan Dan|
|2001||Meteor Garden||Shan Cai's father|
|2002||Meteor Garden II||Shan Cai's father|
|2005||Only You||Xu Mao Xiong|
|2007||My Lucky Star||Guang Ming|
|2008||Honey and Clover||De Da Si|
|Time Story||Mr. Feng|
|2009||Easy Fortune Happy Life||Chairman Yen|
|2011||Skip Beat!||Nan Guo Ge|
|2012||Happy Michelin Kitchen||Na Bai Chuang|
|I Love You So Much||Zhuang Ying Xiong|
|Justice Heroes||Zhang Jia Hui|
|2013||Love for All the Moments||Landlord|
|Di Sanshiyo Shou Qian||Taxi driver|
|2014||Love Detective||Chen Hao Yu|
|2015||Someone Like You||Xie Qian Jing|
|2016||My Teacher Is Xiao He||He Bai Dao|