As an award winning voice artist and actress, Penelope has worked extensively in animation, audio drama, computer games, audiobooks, theatre, radio and television.

Known for her authentic children's voices - Penelope voices Suzy Sheep, Danny Dog, Emily Elephant, Candy Cat, Mandy Mouse, Doctor Polar Bear and Baby Alexander in Peppa Pig Tales TV Series. Other animations include the hugely successful series The Woohoos (Milkshake), the voice of TapTap in Yukee (CBeebies), Indigo and Lavender in Rainbow Rangers (Netflix), Jackson Jet in Stan Lee's Superhero Kindergarten alongside Arnold Schwarzenegger on the Kartoon Channel, Ninja Express (CBBC), Uma & Devan Namaste! (Amazon), the title role of Mini Wolf and the voices of Princess Rhea and Princess Hera in the popular series SpacePops.

Penelope has voiced many computer games, including 21 characters in the award winning Baldurs Gate 3 such us Umi the Teifing boy, Gerringothe Thorm, Bloated Hyena, Adapt Merim, Rikka and Quelenna. Other games include Triangle Strategy (Geela), Horizon Forbidden West (Kalla), Blasphemous II, Arknights, Metaphor: ReFantazio, Eiyuden Chronicle: Hundred Heroes, Jagged Alliance 3, Foamstars, Aether Gazer, Dying Light 2: Stay Human, Troy: A Total War Saga, Beyond a Steel Sky, The Shattering, Lost Words: Beyond the Page, The Pillars of the Earth and Pillars of Eternity II: Deadfire.

Penelope has worked on many Warhammer 40K titles and was the voice of Maleneth in series 1 and 2 of Realmslayer, opposite Brian Blessed's Gotrek. Other titles include Angels of Death, numerous titles in the Horus Heresy Series and the Ciaphas Cain novel series as Amberley Veil.

She was nominated for Narrator of the Year by Audible and has narrated over 300 audiobooks. Favourite titles include; Gorillas in the Mist, Journey to the River Sea, The Turn of the Screw and Homeland: Carrie's Run and Homeland: Saul's Game (based on the CBS television series).