The unreleased test dub for Sunshine produced with a voice cast of Canadian/American voice actors. Currently held/gatekept by TUGS: The Exhibition, the audio was leaked online in 2021. Differences include an entirely new voice cast, new SFX, and a few alternate music choices. It is currently unknown if more episodes were redubbed with this cast.
| Name | Type | Role | |
|---|---|---|---|
| Gloria Tors | Writer | Writer | |
| Robert D. Cardona | Producer | Producer | |
| J Nigel Pickard | Executive Producer | Executive Producer (TVS) | |
| David Mitton | Director | Director | |
| Chris Tulloch | Crew | Art Director | |
| Charles Adler | Actor | Sunshine/Zug/Izzy Gomez | |
| Pat Musick | Actor | Lillie Lightship | |
| Jack Angel | Actor | Captain Star | |
| Alan Oppenheimer | Actor | Top Hat/O.J./Zip/Hercules | |
| Michael Bell | Actor | Captain Zero | |
| Rob Paulsen | Actor | Ten Cents/Zak | |
| Susan Blu | Actor | Sally Seaplane | |
| Ed Gilbert | Actor | Warrior/Big Mac/Zorran |