西莉亚·伊姆瑞

Celia Imrie

饰：Herself - Narrator

Lyn Kendall

饰：Herself - British Mensa Gifted Child Consultant

Mihail Iulian Barascu

饰：Himself - Contestant

Simon Blair

饰：Himself - Competition Quiz Master

Thomas Frith

饰：Himself - Contestant

Neha Narendran

饰：Herself - Contestant

Jasamrit Rahala

饰：Himself - Contestant

Giovanni Trevisan

饰：Himself - Contestant

Sharon Daniel

饰：Herself - Contestant

Tudor Mendel-Idowu

饰：Himself - Contestant

Rubaiyat Rahman

饰：Himself - Contestant

Susie Dent

Susie Dent

饰：Self

Dom Joly

饰：Self

凯西·纽曼

Cathy Newman

饰：Self

Charlotte Hawkins

饰：Self - Contestant

理查德·奥斯曼

Richard Osman

饰：Self - Presenter

吉米·卡尔

Jimmy Carr

饰：Self

Brian Wecht

饰：Self

罗伯·德兰尼

Rob Delaney

饰：Self

Janet Street-Porter

饰：Self

Shazia Mirza

饰：Self - Contestant

乔·布兰德

Jo Brand

饰：Self