Tony Franciosa plays a detective who's on the trail of a murderer whose mutilated and predominantly male victims are found encased in silken cocoons...
| Actor | Role |
|---|---|
 Anthony FranciosaMark Higbie | Mark Higbie |
 Donna MillsLeigh Lockwood | Leigh Lockwood |
 June LockhartMrs. Lockwood | Mrs. Lockwood |
 Patty DukeLaura Lockwood | Laura Lockwood |
 Sid CaesarLazlo Cozart | Lazlo Cozart |
 Vic MorrowLt. Gully Conti | Lt. Gully Conti |
 June AllysonOlga | Olga |
| MMari GormanSophie | Sophie |
| IIrene CagenRita | Rita |
 Max GailRagsdale | Ragsdale |
 Jeff CoreyAspa Soldado | Aspa Soldado |
 Roz KellyFlaps | Flaps |
 Michael DelanoCarlo Lenzi | Carlo Lenzi |
 Robert BurtonJeff Wallace | Jeff Wallace |
| BBryan O'ByrneOakes - Zoo Watchman | Oakes - Zoo Watchman |
| TTracy CurtisGymnast | Gymnast |
 Bruce FrenchSummers-Hospital Administrator | Summers-Hospital Administrator |
 H.B. HaggertyMarion 'Popeye' Sykes | Marion 'Popeye' Sykes |
 Rosanna LockeJennifer | Jennifer |