Hidden Expedition: Smithsonian Castle (2015)

Hidden Expedition: Smithsonian Castle is a point-and-click adventure video game developed by Eipix. It was released for Microsoft Windows in 2015.

Voice-overs

 * Helen Connors - Erin Ashe
 * Eli Pike - Dan Lawson
 * Sam - Billy Sage
 * Sarah Jackson (2014)/Sally Connors (1962) - Tara Sands
 * Sam's great grandfather - Max McGill
 * Player Character - Lauren Synger
 * John Varden - Erik Braa
 * Thomas Beaumont - Raymond Pental
 * Margaret Lance - Katie Leigh
 * H.E.L.P. agent 1 - Brad Ziffer
 * H.E.L.P. agent 2 - Jonathan Cooke