After his younger sister is poisoned, a tough Ottawa cop embarks on a violent journey through Montreal to find her killer, which turns into a whirlpool of revenge and betrayal.
| Actor | Role |
|---|---|
 Stuart WhitmanCapt. Tony Saitta | Capt. Tony Saitta |
 John SaxonSgt. Ned Matthews | Sgt. Ned Matthews |
 Martin LandauDr. George Tracer | Dr. George Tracer |
 Tisa FarrowJulie Foster | Julie Foster |
 Carole LaureLouise Saitta | Louise Saitta |
 Jean LeClercFred | Fred |
 Gayle HunnicuttMargie Cohn | Margie Cohn |
 Peter MacNeillAlexander | Alexander |
 Jean MarchandTerence | Terence |
| AAndrée St-LaurentRose Tracer | Rose Tracer |
| JJulie WildmanNot listed | Not listed |
| JJérôme TiberghienTed Sullivan | Ted Sullivan |
 Dave NicholsNot listed | Not listed |
| AAntony ForestNot listed | Not listed |
| JJames TappNot listed | Not listed |
| TTerence G. RossNot listed | Not listed |
| JJane ChandlerNot listed | Not listed |
 Jean GuildaCinderella (uncredited) | Cinderella (uncredited) |
 Aubert PallascioPeterson (uncredited) | Peterson (uncredited) |