Mark Hulmes

Biography

Mark / Mara "Sherlock" Hulmes is a founding member and the main Dungeon Master of the High Rollers D&D web series.

Movies & TV Shows

1. Critical Role (2015) — Calianna Mordsson
2. Thresher (2025) — Beatrice "Betty" Callahan
3. High Rollers (2016) — Game Master
4. The Cult (2023) — Self
5. Blood on the Clocktower (2025) — Self