- Jeffrey Wright - The Watcher (voice)
- Dee Bradley Baker - Terma Baby Bird (voice)
- Bradley Cooper - Rocket (voice)
- Fred Tatasciore - Additional Voices (voice)
- Bob Bergen - Additional Voices (voice)
- Terri Douglas - Additional Voices (voice)
- Scott Menville - Additional Voices (voice)
- Kaitlyn Robrock - Additional Voices (voice)
- Kari Wahlgren - Additional Voices (voice)
- Matthew Wood - Additional Voices (voice)
- James Gunn - Wrist Watch Voice (voice)
- Trevor Devall - Iwua (voice)
- Jack Kirby
- Larry Lieber
- Stan Lee
- Victoria Alonso
- Brad Winderbaum
- Alex Scharf
- Kevin Feige
- Dana Vasquez-Eberhardt
- Kirsten Lepore
Jeffrey Wright interpreta a The Watcher (voice) en la serie.
Vin Diesel hace el papel de Baby Groot (voice).
Capítulo disponible en las siguientes plataformas: