Richard Bakalyan

Walter 'Duke' Willis

June Kenney

Margaret 'Peg' Dale

Robert Knapp

Det. Lt. Ryan

John Brinkley

Freddy

Sheila McKay

Micki

Bruno VeSota

Joe Doobie

Jana Lund

Janice Wheeler

Grace Albertson

Mrs. Dale

Tyler McVey

Mr. James Wheeler

Hal Smith

Lou

Howard Culver

Dan

Jack Lambert

Cop #1

Ed Nelson

Cop #2

Roger Corman

Cop Who Finds Note (uncredited)

Martin Braddock

Smart Aleck Teen (uncredited)

Bernard L. Kowalski