The Underwater City

William Lundigan

Bob Gage

Джули Адамс

Dr. Monica Powers

Рой Робертс

Tim Graham

Carl Benton Reid

Dr. Junius Halstead

Paul Dubov

George Burnett

Karen Norris

Phyllis Gatewood

Kathie Browne

Dotty Steele

Edmund Cobb

Meade (uncredited)

Chet Douglas

Chuck Marlow

Edward Mallory

Lt. Wally Steele

George DeNormand

Dr. Carl Wendt (uncredited)

Paul Power

Author in Visiting Party (uncredited)