Mourine (Mo) Harris is a character in the British soap opera Eastenders. She is played by actor Laila Morse .
Mo provides a background for the rest of the Slater family. She usually provides light entertainment which keeps people interested in the Slater family problems.
Much of her time is spent wheeling and dealing with other members of the square.
The loud mouthed Mo has a very thin character which is only used on varying occasions.
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