Fear Is the Key

John Alderson as Tanner (uncredited) Suzy Kendall as Sarah Ruthven John Vernon as Vyland Ben Kingsley as Royale Peter Marinker as Larry Tony Anholt as FBI Agent Barry Newman as John Talbot Dolph Sweet as Jablonsky Ray McAnally as Ruthven Roland Brand as Deputy Elliott Sullivan as Judge Mollison

Carey Loftin Stunt Driver, Stunt Coordinator Alistair MacLean Novel Nick Allder Special Effects Alan Ladd Jr. Producer Derek Meddings Special Effects Alex Thomson Director of Photography Elliott Kastner Executive Producer