Chris Miller Director Rihanna Smurfette Voice, Producer James Corden No Name Voice John Goodman Papa Smurf Voice Nick Offerman Ken Voice JP Karliak Razamel, Gargamel Voice Dan Levy Joel Voice Amy Sedaris Jaunty Voice Natasha Lyonne Mama Poot Voice Sandra Oh Moxie Smurf Voice Jimmy Kimmel Tardigrade Voice Kurt Russell Ron Voice Octavia Spencer Asmodius Voice Nick Kroll Chernobog Voice Hannah Waddingham Jezebeth Voice Alex Winter Hefty Smurf Voice Maya Erskine Vanity Smurf Voice Billie Lourd Worry Smurf Voice Xolo Maridueña Brainy Smurf Voice Marshmello Turtle Voice Pam Brady Screenwriter Jay Brown Producer Tyran Smith Producer Ryan Harris Producer Pete Chiappetta Executive Producer, Executive Producer, Executive Producer Matt Landon Film Editing Henry Jackman Original Music Max Boas Production Design Marco Furbatto Art Director Daniela Zorzetto Set Decoration