Walter Reed

Kent Fowler

Gregory Gaye

Mota

James Craven

Dr. Bryant

Lois Collier

Helen

Sandy Sanders

Steve

Harry Lauter

Drake

Richard Irving

Ryan

Michael Carr

Trent

Lester Dorr

Male Secretary (bit)

Dick Crockett

Light-Suited Mine Henchman (bit)

Saul Gorss

Dark-suited Mine Henchman (bit)

Barry Brooks

Policeman (bit)

David Sharpe

Ray Technician (extra)

Paul Gustine

Ray Technician (extra)

Clayton Moore

Ashe (extra)

Fred C. Brannon