Tom Trout

Police Officer Dennis Nordell

Richard Gaines

Police Inspector Dana

Anthony Caruso

Frankie

Hugh Beaumont

Police Academy Graduate (uncredited)

William Challee

Snorky (uncredited)

Roger Moore

Police Instructor (uncredited)

Robert Emmett O'Connor

Veteran Policeman McGuinnes (uncredited)

Arthur Space

Calvin 'Whitey' Foster (uncredited)

Harry Strang

Police Captain R.C. Johnson (uncredited)

William Tannen

Police Lab Technician Wilson (uncredited)

Ray Teal

Police Lt. O'Neill (uncredited)

Charles C. Wilson

Chief of Police (uncredited)

Harry Wilson

Ex-Con Thug (uncredited)

Joseph Losey