The Monolith Monsters [Spanish]

Grant Williams

Dave Miller

Lola Albright

Cathy Barrett

Les Tremayne

Martin Cochrane

Trevor Bardette

Prof. Arthur Flanders

Phil Harvey

Ben Gilbert

William Flaherty

Police Chief Dan Corey

Harry Jackson

Dr. Steve Hendricks

Richard H. Cutting

Dr. E.J. Reynolds

Linda Scheley

Ginny Simpson

Dean Cromer

Highway Patrolman

Steve Darrell

Joe Higgins

Claudia Bryar

Mrs.Simpson

Troy Donahue

Hank Jackson

Jerry Dunphy

Newscaster

Paul Frees

Narrator

Chuck Hamilton

Corpse in Back of Pickup Truck

Kelo Henderson

Police Dispatcher

Carol Morris

Second Nurse