Adam Sandler Count Dracula (voice) Andy Samberg Johnny Loughran (voice) Selena Gomez Mavis Dracula (voice) Kevin James Frankenstein (voice) David Spade Griffin (voice) Steve Buscemi Wayne (voice) Keegan-Michael Key Murray (voice) Molly Shannon Wanda (voice) Fran Drescher Eunice (voice) Kathryn Hahn Ericka Van Helsing (voice) Jim Gaffigan Professor Abraham Van Helsing (voice) Mel Brooks Vlad (voice) Asher Blinkoff Dennis Loughran (voice) Genndy Tartakovsky Blobby / Blobby Baby / Puppy Blobby (voice) Chrissy Teigen Crystal (voice) Joe Whyte Tinkles / Bob (voice) Aaron LaPlante Gremlins / Gremlin Pilot / Gremlin Stewardess (voice) Michelle Murdocca Phone / Kelsey / Witch #1 / Witch #2 (voice) Joyce Arrastia Zingr Witch / Witch #3 (voice) Sunny Sandler Sunny (voice) Tara Strong Frankenlady (voice) Craig Kellman Mr. Hydraberg (voice) Jaime Camil Chupacabra (voice) Joe Jonas The Kraken (voice) Chris Parnell Stan / Fish Man (voice) Fred Tatasciore Additional Voices (voice) Kari Wahlgren Additional Voices (voice) Brian T. Delaney Additional Voices (voice) Robin Atkin Downes Additional Voices (voice) Jessica Gee-George Additional Voices (voice) Grant George Additional Voices (voice) Todd Haberkorn Additional Voices (voice) Rif Hutton Additional Voices (voice) Lex Lang Additional Voices (voice) Mona Marshall Additional Voices (voice) Andrew Morgado Additional Voices (voice) Kirk Thornton Additional Voices (voice) Amanda Troop Additional Voices (voice) Audrey Wasilewski Additional Voices (voice)