The Secret Files of the SpyDogs Twilight/Fetch (1998–1999) Online
| Episode credited cast: | |||
 | Micky Dolenz | - | Ralph / Scribble (voice) |
 | Adam West | - | Dog Zero (voice) |
| Rest of cast listed alphabetically: | |||
 | Carlos Alazraqui | - | Additional Voices (voice) |
 | Dee Bradley Baker | - | Additional Voices (voice) |
 | Mary Kay Bergman | - | Mitzy (voice) |
 | Jocelyn Blue | - | Additional Voices (voice) |
 | Tifanie Christun | - | Additional Voices (voice) |
 | Robert Culp | - | Additional Voices (voice) |
 | Jim Cummings | - | Catastrophe (voice) |
 | Pat Fraley | - | Additional Voices (voice) |
 | Michael Gough | - | Additional Voices (voice) |
 | Jennifer Hale | - | Additional Voices (voice) |
 | Sherman Howard | - | Additional Voices (voice) |
 | Charity James | - | Additional Voices (voice) |
| Valery Pappas | - | Additional Voices (voice) |