In 2014, at the age of nine, he earned a Best Supporting Actor nomination from the Critics' Choice Television Awards for his performance on ABC’s comedy series Trophy Wife.

[6] Later that year, Tsai was cast as Bert Harrison, the adopted Chinese son of an attorney and his ex-wife, in the critically acclaimed comedy series Trophy Wife.

[7][8] His acting on the show earned him a nomination for Best Supporting Actor from the Critics' Choice Television Awards and he was named as a Breakout TV Star of 2013 by The Huffington Post.

[10] In 2014, Tsai guest starred in the USA Network's comedy Benched,[11] and as a boy scout who helps Betty White in the TV Land series Hot in Cleveland.

[12] In 2015, Tsai appeared in two episodes of the ABC series Fresh Off the Boat[13] and starred in the film Grandma Money as Pope, a neglected and shy 9 year old.