I.Q. Dudettes

Frankie Chan Fan-Kei

Mr. Au

Kristy Yang Rongru

Miss Lam

Mark Lui

Sir Pai

Monica Chan Fat-Yung

Miss Lau

Spencer Lam Seung-Yi

Principal Lam

Fu Siu-Ming

Sir Ng

Eric Tsang Chi-Wai

Leung Bing

Tony Wong Yuk-Long

Jademan

Sze Kai-Keung

Examiner

Lau Siu-Kwan

Mr Pan

Rainbow Ching

Councillor Pan

Anna Ng

Old age home nurse

Colleen Chan

May Pan

Irene Santiago

Judy

Audrey Fang

Amy

Mun Kam

Rachel

Alice Pang Wai-Kwan

Candy Leung

Isabel Chan Yat-Ning

Queenie Pan

Lo Hung

Amic Tang Man-Kit