An extreme adventure tour group headed by deep caving expert John Palmer descends into a 2000 Ft abandoned salt mine , that was mysteriously closed down years ago after an unexplained disaster trapped all of the miners . They prepare for rock slides , blackouts , cave-ins - whatever might threaten their journey and commence their descent into the depths.
as John Palmer
as Vincent
as Samantha Palmer
as Sophie
as Marcel
as Emily Palmer
as Miles Palmer
as Hanz
as Stephan
as Carlo
as Muller
as Ion
as Luciano
as Supervisor Frisch
