Hancock has appeared in "The Winter's Tale", "Titus Andronicus" and "A Delicate Balance" for the Royal Shakespeare Company. At the National Theatre she has appeared in "The Cherry Orchard" and "The Duchess of Malfi". As the first woman Artistic Director of their tour she also directed "A Midsummer Night's Dream" for the RSC and was the first woman to direct in the Olivier Theatre at the National Theatre on "The Critic". She was also associate Artistic Director of the Cambridge Theatre Company.