Callum Larse (pronounced LAHRss) was a Tortallan Player in the 5th Century HE. He was the father of Commander Evin Larse of the Queen's Riders and the head of a family of Players in the Company Larse and Quill. Callum was a spy and often have his son help write coded messages to the Whisper Man. In September of 448 HE, Callum and his family were performing in the village of Dowling Falls near Fief Sinthya in the Whitethorn Valley. It was the troupe's proximity to Fief Sinthya that allowed Evin to keep an eye on the activities leading up to the release of immortals into the Mortal Realms.