A budding detective solves crimes with the help of three stop-motion animated clay characters.
| Actor | Role |
|---|---|
 Kathleen BellerCheryl Singer | Cheryl Singer |
| SSteven GilbornCarl Stalling | Carl Stalling |
 Steve LevittChris | Chris |
 John Wesley ShippSpex (voice) | Spex (voice) |
 Christopher CollinsTruk (voice) | Truk (voice) |
 June ForayNit (voice) | Nit (voice) |