Mark Sheppard and Jesse Reid in Supernatural (2005)

Misha Collins and Mark Sheppard in Supernatural (2005)

Jensen Ackles, Mark Sheppard, and Kylee Bush in Supernatural (2005)

Jensen Ackles and Mark Sheppard in Supernatural (2005)

Jensen Ackles, Jared Padalecki, Mark Sheppard, and Samantha Smith in Supernatural (2005)

Mark Sheppard and Ruth Connell in Supernatural (2005)

Mark Sheppard and Courtney Ford in Supernatural (2005)

Kadeem Hardison and Mark Sheppard in Supernatural (2005)

Mark Sheppard at an event for Supernatural (2005)

Matt Bomer and Mark Sheppard in White Collar (2009)

Mark Sheppard, Jesse Reid, and Lee Shorten in Supernatural (2005)

Jensen Ackles, Misha Collins, Jared Padalecki, and Mark Sheppard at an event for Supernatural (2005)

Bonnie Aarons, Michael Berryman, Kane Hodder, Mark Sheppard, Riana Emma Balla, Philippe Reinhardt, and László Illés in Ever After (2025)

Jensen Ackles, Misha Collins, Jared Padalecki, and Mark Sheppard in Supernatural (2005)

JD Evermore, Lochlyn Munro, Mark Sheppard, William Morgan Sheppard, Pruitt Taylor Vince, and Gina Holden in Mysterious Island (2010)