Ingrid Oliver
From Tardis Wiki, the free Doctor Who reference
Ingrid Oliver played Helen in the Big Finish Doctor Who audio story Project: Destiny, Lt Baraki in Earth Aid and Osgood in the Doctor Who television stories The Day of the Doctor, Death in Heaven, The Zygon Invasion and The Zygon Inversion. Outside the franchise, she is best known as a comic actress and half of the duo Watson & Oliver.