Wayne Maunder as Mike Barrett

Marianne McAndrew as Maggie Russell

Philip Carey as Elmo Duncan

Jay C. Flippen as Luther Yerkes

Edy Williams as Faye Osborn

Yvonne De Carlo as Constance Cumberland

John Carradine as Sean O'Flanagan

Harold J. Stone as Judge Upshaw

Tom Selleck as Phil Sanford

Stanley Adams as Irwin Blair

Yvonne D'Angers as Sheri Moore

Jan Shutan as Anna Lou White

Alexander D'Arcy as Christian Leroux

Berry Kroeger as Paul Van Fleet

Charles Napier as Officer Iverson

Shawn Devereaux as Yerkes' Girlfriend

Wolfman Jack as Wolfman Jack

John Lawrence as Howard Moore

Cal Bartlett as Olin Adams

Stuart Lancaster as Dr. Roger Trimble

Patrick Wright as Detective

Lillian Lehman as Librarian

Judith Baldwin as Fremont's Girlfriend

Uschi Digard as Woman with Gorilla (uncredited)

Sally Marr as Juror (uncredited)

Kay Peters as Olivia St. Clair

John Sarno as Jerry Griffith

Lynn Hamilton as Avis

Richard Angarola as Father Sarfatti