| Bill Hader | .... | Flint Lockwood (Stimme) |
| Anna Faris | .... | Sam Sparks (Stimme) |
| James Caan | .... | Tim Lockwood (Stimme) |
| Andy Samberg | .... | "Baby" Brent (Stimme) |
| Bruce Campbell | .... | Mayor Shelbourne (Stimme) |
| Mr. T | .... | Earl Devereaux (Stimme) |
| Bobb'e J. Thompson | .... | Cal Devereaux (Stimme) |
| Benjamin Bratt | .... | Manny (Stimme) |
| Neil Patrick Harris | .... | Steve (Stimme) |
| Al Roker | .... | Patrick Patrickson (Stimme) |
| Lauren Graham | .... | Fran Lockwood (Stimme) |
| Will Forte | .... | Joe Towne (Stimme) |
| Max Neuwirth | .... | Young Flint (Stimme) |
| Peter Siragusa | .... | Rufus (Stimme) |
| Angela Shelton | .... | Regina Devereaux (Stimme) |
| Neil Flynn | .... | Weather News Network Producer (Stimme) |
| Liz Cackowski | .... | Flint's Teacher (Stimme) |
| Isabella Acres | .... | Additional Voice (Stimme) |
| Lori Alan | .... | Additional Voice (Stimme) |
| Shane Baumel | .... | Additional Voice (Stimme) |
| Bob Bergen | .... | Additional Voice (Stimme) |
| Cody Cameron | .... | Additional Voice (Stimme) |
| Marsha Clark | .... | Additional Voice (Stimme) |
| John Cygan | .... | Additional Voice (Stimme) |
| Ann Dominic | .... | Additional Voice (Stimme) |
| Paul Eiding | .... | Additional Voice (Stimme) |
| Jess Harnell | .... | Additional Voice (Stimme) |
| Gary Hecker | .... | Additional Voice (Stimme) |
| Phil Lord | .... | Additional Voice (Stimme) |
| Sherry Lynn | .... | Additional Voice (Stimme) |
| Danny Mann | .... | Additional Voice (Stimme) |
| Mona Marshall | .... | Additional Voice (Stimme) |
| Mickie McGowan | .... | Additional Voice (Stimme) |
| Christopher Miller | .... | Additional Voice (Stimme) |
| Laraine Newman | .... | Additional Voice (Stimme) |
| Jan Rabson | .... | Additional Voice (Stimme) |
| Grace Rolek | .... | Additional Voice (Stimme) |
| Jeremy Shada | .... | Additional Voice (Stimme) |
| Will Shadley | .... | Additional Voice (Stimme) |
| Melissa Sturm | .... | Additional Voice (Stimme) |
| Ariel Winter | .... | Additional Voice (Stimme) |
Deutsche Stimmen |
| Robin Kahnmeyer | .... | Flint Lockwood/FLDSMDFR (Stimme) |
| Luisa Wietzorek | .... | Sam Sparks (Stimme) |
| Lutz Schnell | .... | Mayor (Stimme) |
| Karl Schulz | .... | Tim (Stimme) |
| Sebastian Schulz | .... | Baby Brent/Brent (Stimme) |
| Jan Spitzer | .... | Earl Devereaux (Stimme) |
| Bernhard Völger | .... | Steve The Monkey (Stimme) |
| Leo Vornberger | .... | Cal Devereaux (Stimme) |
| Jakob Hoth | .... | Young Flint (Stimme) |
| Axel Lutter | .... | Joe Town (Stimme) |
| Axel Malzacher | .... | Patrick (Stimme) |
| Thomas Nero Wolff | .... | Manny (Stimme) |
| Melanie Pukass | .... | Fran (Stimme) |
| Anke Reitzenstein | .... | Regina (Stimme) |
| Peter Groeger | .... | Rufus (Stimme) |
| Dirk Müller | .... | WNN Producer (Stimme) |
| Peter Bild | .... | Weitere Stimme (Stimme) |
| Claudia Galdy | .... | Weitere Stimme (Stimme) |
| Meylan Chao | .... | Weitere Stimme (Stimme) |
| Peter Groeger | .... | Weitere Stimme (Stimme) |
| Gunnar Helm | .... | Weitere Stimme (Stimme) |
| Carmen Katt | .... | Weitere Stimme (Stimme) |
| Malte Kühn | .... | Weitere Stimme (Stimme) |
| Dirk Müller | .... | Weitere Stimme (Stimme) |
| Nicolas Rathod | .... | Weitere Stimme (Stimme) |
| Matthias Scherwenikas | .... | Weitere Stimme (Stimme) |
| Elisa Seubert | .... | Weitere Stimme (Stimme) |
| Eric Stefanov | .... | Weitere Stimme (Stimme) |
| Josef Summer | .... | Weitere Stimme (Stimme) |
| Ilka Teichmüller | .... | Weitere Stimme (Stimme) |
| Sammy-Jo Blank | .... | Weitere Stimme (Stimme) |
| Lauren Cameron | .... | Weitere Stimme (Stimme) |
| Gill Gavois | .... | Weitere Stimme (Stimme) |
| Nicole Hannak | .... | Weitere Stimme (Stimme) |
| Nina Herting | .... | Weitere Stimme (Stimme) |
| Natascha Kespy | .... | Weitere Stimme (Stimme) |
| Lea Malek | .... | Weitere Stimme (Stimme) |
| Dierk Prawdzik | .... | Weitere Stimme (Stimme) |
| Matthias Rimpler | .... | Weitere Stimme (Stimme) |
| Amelie Seubert | .... | Weitere Stimme (Stimme) |
| Ezedhar Sheashaa | .... | Weitere Stimme (Stimme) |
| Peter Stefanov | .... | Weitere Stimme (Stimme) |
| Patrick Tavanti | .... | Weitere Stimme (Stimme) |