Michael Sarrazin

Peter Proud

Jennifer O'Neill

Ann Curtis

Margot Kidder

Marcia Curtis

Cornelia Sharpe

Nora Hayes

Paul Hecht

Dr. Samuel Goodman

Tony Stephano

Jeff Curtis

Norman Burton

Dr. Frederick Spear

Anne Ives

Ellen Curtis

Debralee Scott

Suzy

Steve Franken

Dr. Charles Crennis

Fred Stuthman

Pop Johnson

Lester Fletcher

Car Salesman

Paul Nevens

Room Clerk

Breanna Benjamin

Miss Hagerson

Addison Powell

Reeves

Phillip Clark

Number Five

Gene Boland

Charlie

Albert Henderson

Police Sergeant

Connie Garrison

Ellie

Sam Laws

Satan's Disciple

Mary Margaret Amato

Nurse

Terry Green

College Student

Jacqueline Manning

Lab Assistant

Henry Cosimini

Square Dance Caller

Douglas Rutherford

Club Steward

Marjorie Eaton

Astrology Lady (as Marjorie Morley Eaton)

Shelley St. Clair

Bookstore Clerk

Jon Richards

Newspaper Custodian