Upon finishing the "Gold Blend couple" television campaign in 1998, she went back to the theatre to do "And All the Children Cried", playing Myra Hindley, which was immediately followed by Maughan joining the cast of the BBC One medical drama television series "Holby City", which she left in late 2006 to appear in Roger Donaldson's "The Bank Job". This was quickly followed by guest leads in the BBC's Waking the Dead, starring her husband Trevor Eve, Inspector George Gently, and Kidnap and Ransom, also starring Trevor Eve.