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
as Scotty Parker
Barbara Steele
as Victoria Engels
Yvonne De Carlo
as Mrs. Engels
Avery Schreiber
as Sgt. Manny Ruggin
Steve Doubet
as Jack Towne
Brad Rearden
as Mason Engels
Juli Andelman
as Doris Prichart
John Widelock
as Peter Ransom
Cameron Mitchell
as Lt. Sandy McGiver
Tina Tyler
as Victoria at 16
Jack Stryker
as Police Chief
Thelma Pelish
as Housing Lady
