Atlantis survivor Mark Harris breathes underwater, withstands extreme depth pressures and wields superhuman strength.
1977-03-04
1977-05-07
1977-05-17
1977-06-20
as Mark Harris
as Dr. Elizabeth Merrill
as Dr. Crawford
as Schubert
as Brent
as Jane
4 Episodes · 1977
13 Episodes · 1977
