Elenco principal da temporada 4

1. 

   Justin Roiland

   Rick Sanchez / Morty Smith (voice)

2. 

   Chris Parnell

   Jerry Smith (voice)

3. 

   Spencer Grammer

   Summer Smith (voice)

4. 

   Sarah Chalke

   Beth Smith (voice)

Convidados Especiais 8

1. 

   Keegan-Michael Key

   Fourth-Dimensional Being (voice)

2. 

   Eddie Pepitone

   Additional Voices (voice)

3. 

   Aislinn Paul

   Nancy (voice)

4. Nick Reczynski

   Snake Humanoid (voice)

5. 

   Cassie Steele

   Tricia Lange (voice)

6. 

   Phil LaMarr

   Additional Voices (voice)

7. 

   Dan Harmon

   Additional Voices (voice)

8. 

   Kari Wahlgren

   Additional Voices (voice)

Equipa técnica 3