Sean Decker
Joined June 2008 — 11 parts in ten shows through 2014; returned in 2021.
He is also the driving creative force behind the band Mr. Fancy Pants and sometimes performs with The M-80s.
Mystery Theatre Credits
As a principal in a first-run show:
- Rupert Dingle — Bridgerdon Abbey (2024)
- Professor Savory Scapegoat — Harry 4gotter and the Pantry of the Secret Sauces (2025)
As an understudy / in revival:
- Larry the Minchkin / Cowering Lion — Wizard of Odds (2008)
- Sid Geazer — Murder at the Kit Kat Klub (2008)
- Svetlana Tickov — Indiana Smith and the Raiders of the Lost Sequel (2008)
- Newt Diamond — Murder at the Kit Kat Klub (2008)
- Santa Claus — Slay Ride IV: Revenge of the Claus (2008)
- Tyler Thwart — One Life to Lose (2009)
- Mr. Gulp / Wicked Witch — Wizard of Odds (2010)
- Heath Richard — Kill Phil (2011)
- Old King Cole — Once Upon a Crime (2011)
- Dr. Watson — Dr. Jackal and Mr. Hype (2012)
- Squeegee — The Pirates of Poughkeepsie (2014)
- Johnny Armstrong — Johnny B. Dead (2021)
- Mr. Gulp / Wicked Witch — Wizard of Odds (2022)
- Larry the Michkin / Cowering Lion — Wizard of Odds (2022)
- Barney Collander — Mission: Unpossible (2023)
- Ratso — Indiana Smith and the Raiders of the Lost Sequel (2023)
- Professor Plumb-loco — The Maltese Ferret (2023)
- Detective Frank Cannon — Slay Ride 5 — CSI: North Pole (2023)
- Leonard Beerstein — Overture for an Undertaker (2024)
- Ron Cheny, Jr. — Tales from the Script (2024)
- Santa Claus (understudy) — Slay Ride 7: The Buttcracker Suite (2024)
- Floyd the Barber — Myberry R.I.P. (2025)
The Mystery Theatre Unlimited, at various times, features:
Emeritus Members
Others Who Have Appeared with the Company
Last updated: September 17, 2025