Robert Hutton

Tom Gregory

Robert Burton

Prof. Galbraith

Susan Hart

Lisa Galbraith

Judee Morton

Bonnie Galbraith

William Boyce

Cal Johnson

Les Tremayne

Norman Tolliver

John Close

KTTV Reporter Vince Williams

Edward Finch Abrams

Bum in Theater (uncredited)

Bob Herron

Slime Person (uncredited)

Jock Putnam

Slime Person (uncredited)

Tracy J. Putnam

Dr. Timothy Brough (uncredited)

Blair Robertson

Mrs. Castillo (uncredited)

Fred Stromsoe

Slime Person (uncredited)