Director
Jimmy Chin
DIRECTOR
Elizabeth Chai Vasarhelyi
Stars (in credits order)
Vern Unsworth
Self - Financial Consultant
Richard Harris
Self - Cave Diver
Ben Svasti Thomson
Self - Honorary British Consul
Jim Warny
Self - Electrician
Thanet Natisri
Self - Groundwater Expert
Mikko Paasi
Self - Volunteer Cave Diver
Obie Matthew
US Marine
Felix Rosen
Reenactment Actor
