Main Characters Professor Jonah Mulray 8 main appearances Megan Mulray 8 main appearances Sally Porter 8 main appearances David Chen 8 main appearances Lau Chen 8 main appearances Arthur Bach 7 main appearances Michael Cohen 7 main appearances Becky 7 main appearances Felix Chong 6 main appearances Daniel Tsui 5 main appearances Kai 4 main appearances Xiaodong Xo 5 main appearances Rachel Hargreaves 5 main appearances
Recurring Guest Characters Felix Chong 1 guest appearances Kai 1 guest appearances Emma 4 guest appearances Wilfried Chow 4 guest appearances Thomas Leng 4 guest appearances Faraz Reza 3 guest appearances Conrad Davis 3 guest appearances Martin 2 guest appearances TV news reporter 2 guest appearances Allen ma 2 guest appearances Mae Cohen 2 guest appearances Choi Huang 2 guest appearances Robin Liu 2 guest appearances Receptionist 2 guest appearances Student 1 guest appearances Student 1 guest appearances Student 1 guest appearances Teaching assistant 1 guest appearances PC Hartley 1 guest appearances Plane passenger 1 guest appearances ⇤ « 1 2 3 4 » ⇥