L

Lance Haward

• Shows: Mastermind (1976).

Laura Calland

• Voice-over: Fifteen to One.

Leo Stevenson

• Shows: Mastermind (1997).

Les Arnott

• Shows: Fifteen to One.

Lesley Webster

• Shows: Fifteen to One.

• Leslie Booth (see Leslie Duncalf)

Leslie Duncalf

• Shows: Fifteen to One.

Leslie Grout

• Shows: Mastermind (1981).

Linden Adams

• Shows: Mastermind (1991).

Lisa Duffin

• Shows: Mastermind (1976).