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

Penelope has voiced many computer games. She is currently the voice of Paimon in the hugely successful Genshin Impact. She voiced 21 characters in the award winning Baldurs Gate 3 such us Umi the Teifing boy, Gerringothe Thorm, Bloated Hyena, Adapt Merim, Rikka and Quelenna. She is the voice of Agent I in Men In Black: Most Wanted.

Other games include Triangle Strategy (Geela), Horizon Forbidden West (Kalla), Blasphemous II, Arknights, Fabienne in Metaphor: ReFantazio, Eiyuden Chronicle: Hundred Heroes, Jagged Alliance 3, Foamstars, Hera in 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.

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 mother/daughter duo of Witch and Fairy in 7 Bears (Netflix) the hugely successful series The Woohoos (Milkshake), the voice of TapTap in Yukee, Rebecca, Cherry and Keith in Piggy Builders (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 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).