Suggestions by @peterj1994

Carmen Osbahr

as Ni Ni in Ni Ni's Treehouse (2005)

Score: +1

Martin Clunes

as Cheering Runner in Firework Fun and Games (2016)

Score: +2

Paul Hawkyard

as Shop Keeper in Firework Fun and Games (2016)

Score: +2

Joe Pasquale

as Goalkeeper in Firework Fun and Games (2016)

Score: +1

Chris Tarrant

as Cheering Runner 2 in Firework Fun and Games (2016)

Score: +1

Louise Gold

as Cheering Runner 3 in Firework Fun and Games (2016)

Score: +2

Steve Steen

as Dad in Firework Fun and Games (2016)

Score: +1

Gary Wilmot

as Park Keeper in Firework Fun and Games (2016)

Score: +1

Martin Freeman

as Teacher in Firework Fun and Games (2016)

Score: +1

Nerys Hughes

as Grandma in Firework Fun and Games (2016)

Score: +2

David Jason

as Grandad in Firework Fun and Games (2016)

Score: +2

Amelie Bea Smith

as Amelia in Firework Fun and Games (2016)

Score: +2

Tracy Shaw

as Tracy in Watch and Learn: Games Songs and Nursery Rhymes (2002)

Score: +2

Richard Briers

as Richard in Watch and Learn: Games Songs and Nursery Rhymes (2002)

Score: +1

Richard Briers

as Richard in Watch and Learn: Keeping Safe (2002)

Score: +2

Tracy Shaw

as Tracy in Watch and Learn: Keeping Safe (2002)

Score: +2

Tracy Shaw

as Tracy in Watch and Learn: Further Fun with Letters and Numbers (2002)

Score: +2

Richard Briers

as Richard in Watch and Learn: Further Fun with Letters and Numbers (2002)

Score: +2

Tracy Shaw

as Tracy in Watch and Learn: Weather and Seasons (2001)

Score: +1

Richard Briers

as Richard in Watch and Learn: Weather and Seasons (2001)

Score: +1