J

Jack Clark

• Shows: Mastermind (1990).

Jack Waley-Cohen

• Shows: Number One (2001).

James Bitton

• Shows: Mastermind (1981).

James Davis

• Shows: Mastermind (1979).

Jean Burke

• Shows: Mastermind (1987).

Jeffrey Boss

• Shows: Mastermind (1973).

Jennifer Keaveney

• Shows: Mastermind (1986).

Jeremy Bradbrooke

• Shows: Mastermind (1987).

Jeremy Paxman

• Quiz Presenter: University Challenge (1995-present).

Jill Goodwin

• Shows: Mastermind (1984).

Jill McFatridge

• Shows: Mastermind (1987).

Jim Cook

• Shows: Fifteen to One.

Jim Eccleson

Joan Bridgman

• Shows: Mastermind (1987).

Joan Taylor

• Shows: Mastermind (1972).

Joe Brookstone

• Shows: Mastermind (1994).

Joe West

• Shows: Mastermind (1979, 1996).

John Burke (1)

• Shows: Mastermind (1985).

John Burke (2)

• Shows: Mastermind (1993).

John Clarke

• Shows: Fifteen to One.

John Coggrove

• Shows: Mastermind (1994).

John Coleby

• Shows: Mastermind (1973).

John Colverson

• Shows: Mastermind (1993).

John Crawford

• Shows: Mastermind (1981).

John Crippin

• Shows: Mastermind (1987).

John Edmond

• Shows: Mastermind (1983).

John Emmines

• Shows: Fifteen to One.

John George

• Shows: Mastermind (1978).

John Gibson

• Shows: Mastermind (1975).

John Hart

• Shows: Mastermind (1975).

John Jenkins

• Shows: Fifteen to One.

John Keogh

• Shows: Mastermind (1980).

John M. Lewis

• Quiz Devisor: Fifteen to One.

John McLeod

• Shows: Mastermind (1979).

John Palmer-Barnes

• Shows: Mastermind (1976).

John Sykes

• Shows: Mastermind (1976).

John Widdowson

• Shows: Mastermind (1977).

John Wilson

• Shows: Mastermind (1994).

Jon Goodwin

• Shows: Fifteen to One.

Juilus Green

• Shows: Mastermind (1972).

Julian Allen

• Shows: Fifteen to One.