Sergeant Wallcroft is a SAS soldier who served alongside Soap, Price, and Gaz during the events of Call of Duty 4: Modern Warfare and Call of Duty: Modern Warfare Remastered. He served alongside Marcus Burns in Call of Duty: Modern Warfare 3. He also appears in Call of Duty: Heroes. He is the Team Announcer of the SAS in Modern Warfare 3 Multiplayer.