The Monolith Monsters

Grant Williams

Dave Miller

Lola Albright

Cathy Barrett

Les Tremayne

Martin Cochrane

Trevor Bardette

Prof. Arthur Flanders

?

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

Paul Petersen

Bobby

William Schallert

Weatherman

Phil Harvey

Ben Gilbert

Troy Donahue

Hank Jackson

Carol Morris

Nurse 1