Jack Nance as Henry Spencer

Charlotte Stewart as Mary X

Allen Joseph as Mr. X

Jeanne Bates as Mrs. X

Judith Roberts as Beautiful Girl Across the Hall

Laurel Near as Lady in the Radiator

Jack Fisk as Man in the Planet

Jean Lange as Grandmother

Thomas Coulson as The Boy

John Monez as Bum

Darwin Joston as Paul

T. Max Graham as The Boss

Hal Landon Jr. as Pencil Machine Operator

Jennifer Lynch as Little Girl

Brad Keeler as Little Boy

Gill Dennis as Man with Cigar

Toby Keeler as Man Fighting

Jack Walsh as Mr. Roundheels