Jack Warden plays real-life Los Angeles detective John St. John in this pilot for the Jigsaw John television series. He and his Native American partner track a pervert serial killer of elderly women.
| Actor | Role |
|---|---|
 Jack WardenJohn "Jigsaw" St. John | John "Jigsaw" St. John |
| CCharles YnfanteTallchief | Tallchief |
 Madeleine SherwoodHelen St. John | Helen St. John |
 Joe MantellLt. Baylor | Lt. Baylor |
 Tim O'ConnorDet. Lee Masters | Det. Lee Masters |
| DDick DinmanDavid Kanlan | David Kanlan |
 Lily ValentyMrs. Eichman | Mrs. Eichman |
 BarBara LunaReceptionist | Receptionist |
| SSolomon KarriemPetulia | Petulia |
 Melendy BrittMrs. Owens | Mrs. Owens |
| CConstance PfeiferEichman Daughter | Eichman Daughter |
| DDorothy DellsWoman Pharmacist | Woman Pharmacist |
 Nedra VolzElderly Woman | Elderly Woman |
 Adele YoshiokaPharmacy Clerk | Pharmacy Clerk |
 Steven MarloNot listed | Not listed |
 Francine YorkMillie | Millie |