Mary is a scavenger whose friend has become infected with the Forced Evolutionary Virus. She is very concerned for his safety. This role will comprise several generic characters: Fourville Reisdents, Fourville Guards, Members of Church of the Four, Vault Residents, Vault Scientists, Vault Guards, and a Gun Buyer. Mary has 6 lines. There are approximately 116 generic resident lines.

Line 01 context: The player asks "is everything alright". Mary replies in panic.

Line 02 context: Mary cries out in sorrow when her friend dies.

Line 03 context: (for the generic characters) A Fourville Labourer complains about their work.