List one series that these actors is a king (emporor) in.
Kong Wah
Raymond Cho
Louis Koo
Julian Cheung
Raymond Lam
Steven Ma
Moses Chan
Ellesmere Choi
Marco Ngai
Joe Ma
Kong Wah - Happy Ever After, The Legendary of Lady Yang
Raymond Cho - Doomed to Oblivion
Louis Koo - War and Remembrance
Julian Cheung - The Ching Emperor
Raymond Lam - A Step into the Past
Steven Ma - Duke of the Mount Deer 1998
Moses Chan - Perish in the Name of Love
Ellesmere Choi - Legendary of the Four Aces
Marco Ngai - The Prince's Shadow
Joe Ma - Eternal Happiness