The Neptune Factor

When an underwater ocean lab is lost in a earthquake, an advanced submarine is sent down to find it and encounters terrible danger.

Top Cast

Ben GazzaraCmdr. Adrian Blake

Walter PidgeonDr. Samuel Andrews

Ernest BorgnineChief Diver Don MacKay

Yvette MimieuxDr. Leah Jansen

Donnelly RhodesDiver Bob Cousins

Chris WigginsCapt. Williams

Michael J. ReynoldsDr. Hal Hamilton

Mark WalkerDiver Dave Moulton