Up from the Depths

Sam Bottoms

Greg Oliver

Susanne Reed

Rachel McNamara

Virgil Frye

Earl Sullivan

Kedric Wolfe

Oscar Forbes

Charles Howerton

Dr. David Whiting

Denise Hayes

Iris Lee

Chuck Doherty

Ed Bennett

Helen McNeely

Louellen Bennett

Ken Metcalfe

Mr. Holland

Randy Taylor

Jimmy

Dave D'Martyn

Tourist #1

Clem Persons

Maintenance Man (as Clem Parsons)

Peter Cooper

Nieberg

Katherine Scholy

Darleen

Ken Petruic

Harry

Bobby Greenwood

Tourist #2

R. Lee Ermey

Arnold (uncredited)