Dianne has fair/pale skin, long light blonde hair, and light strawberry pink lips. She wears an olive shirt with unbuttoned cuffs, brown trousers, a short red scarf brown shoes, and sometimes a hat.

Dianne is the girlfriend of David and friend of Liz. When David asked Liz out and got rejected, Dianne was there to "pick up the pieces." The two started a relationship and together lived in Liz's flat. When the outbreak started, Dianne is quick to join your side, and convinces David to do so.