Scotty moves into Mrs. Engels' seaside mansion where three other college students are boarding. Mrs. Engels prefers to stay in her room in the attic, but her son Mason helps the students get settled. Soon one of the students is killed. The policemen on the case begin uncovering the Engels family secret as the remaining students become endangered
Rebecca Balding
Scotty Parker
Barbara Steele
Victoria Engels
Yvonne De Carlo
Mrs. Engels
Avery Schreiber
Sgt. Manny Ruggin
Steve Doubet
Jack Towne
Brad Rearden
Mason Engels
Juli Andelman
Doris Prichart
John Widelock
Peter Ransom
