William HoldenRichard Thorn

Lee GrantAnn Thorn

Jonathan Scott-TaylorDamien Thorn

Robert FoxworthPaul Buher

Nicholas PryorCharles Warren

Lew AyresBill Atherton

Sylvia SidneyAunt Marion

Lance HenriksenSergeant Neff

Elizabeth ShepherdJoan Hart

Lucas DonatMark Thorn

Allan ArbusPasarian

Ian Hendry

Leo McKern

Fritz FordMurray

Meshach TaylorDr Kane

Paul CookColonel

William B. FosserMinister

John J. NewcombeTeddy

Corney MorganGreenhouse Technician

John Charles BurnsButler

Thomas O. Erhart Jr.Sergeant #1

Sorin Serene PricopiePasarian's Assistant

Diane DanielsJane

Charles MountainBurial Priest

Robert E. InghamTeacher

Felix ShumanDr. Fiedler

James SpinksTechnician #1

Owen SullivanByron

Russell P. DeliaTruck Driver

Judith DowdMaid

Robert J. Jones Jr.Tour Guide

Rusdi LaneJim Gardner

Cornelia SandersYoung Girl

William J. WhelehanSecurity Guard

Don TaylorDirector

Harvey BernhardStory

David SeltzerCharacters

Mike HodgesScreenplay

Stanley MannScreenplay