Introduction
Michaela Dietz (born November 1, 1982) is a Korean-American voice actress whose professional career started in 2005. She voiced the character of Riff on the PBS children's television series Barney & Friends, Amethyst on the Cartoon Network television series Steven Universe and Steven Universe Future, Dolly Dalmatian on Disney's 101 Dalmatian Street and P.i.t.a. in Fallout 76.
Early life
Dietz was born in South Korea on November 1, 1982, then was adopted and raised in Cooperstown, New York. She studied International Studies at Middlebury College. She has spoken about how her experience as an adoptee informs her performance as Amethyst on Steven Universe.
Career
Dietz has voiced ongoing characters in two American children's animated TV series, Riff in Barney & Friends and Amethyst in Steven Universe.
Filmography
| Film | ||||
|---|---|---|---|---|
| Year | Film | Role | Notes | |
| 2005 | Discover Me | Ellie | ||
| 2009 | Red, Black & Blonde | Auditioning Dancer #1 | Short | |
| K-Town | Interracial Couple #3 | |||
| 2012 | Totally Smooth | Sherry | Short | |
| 2019 | Steven Universe: The Movie | Amethyst (voice) | TV movie | |
| Television – Barney & Friends | ||||
| Year | Title | Role | Notes | |
| 2007 | Barney: Let's Go to the Firehouse | Riff (voice) | ||
| Barney: Dino-mite Birthday | Riff (voice) | |||
| 2008 | Barney's Animal ABCs | Riff (voice) | ||
| Hi! I'm Riff! | Riff (voice) | |||
| Barney: The Best of Barney | Riff (voice) | |||
| 2009 | Barney: Once Upon a Dino-Tale | Riff (voice) | ||
| Barney: Let's Go on Vacation | Riff (voice) | |||
| Barney: Jungle Friends | Riff (voice) | |||
| Barney: We Love Our Family | Riff (voice) | |||
| 2010 | Barney: Let's Play Outside | Riff (voice) | ||
| Barney: A-Counting We Will Go | Riff (voice) | |||
| 2011 | Barney: Big World Adventure: The Movie | Riff (voice) | ||
| Barney: 123 Learn | Riff (voice) | Video Short | ||
| Barney: I Can Do It | Riff (voice) | |||
| Barney: A Very Merry Christmas: The Movie | Riff (voice) | |||
| 2012 | Barney: Planes, Trains & Cars | Riff (voice) | ||
| Barney: Clean Up, Clean Up! | Riff (voice) | |||
| Barney: I Love My Friends | Riff (voice) | |||
| Other television | ||||
| Year | Title | Role | Notes | |
| 2009 | Workshop | Female Detective | Episode: "A Little Cocky" | |
| 2011 | Fo Fo Figgily Animated Series | Fo Fo (voice) | Video Short | |
| 2012 | My America | Role Unknown | Episode: "Hit and Run" | |
| 2013–2019 | Steven Universe | Amethyst (voice) | Main role | |
| 2015 | Louis and Georges | Louis (voice) | Nickelodeon short | |
| 2017–2018 | Mighty Magiswords | Danelda (voice) | 2 episodes | |
| 2019–present | 101 Dalmatian Street | Dolly Dalmatian (voice) | Main role | |
| 2019–2020 | Steven Universe Future | Amethyst (voice) | Main role | |
| 2019 | Pizza Hero Fumika | Fumika Cutter (voice) | Main role (pitch short) | |
| 2020 | Adventure Time: Distant Lands | Glass Boy (voice) | Episode: "Obsidian" | |
| Craig of the Creek | Michelle Green (voice) | Episode: "The Rise and Fall of the Green Poncho" | ||
| Video games | ||||
| Year | Title | Role | Notes | |
| 2013 | Grand Theft Auto V | The Local Population | ||
| 2014 | Cartoon Network Superstar Soccer: Goal | Amethyst | Mobile phone game | |
| 2015 | Steven Universe: Attack the Light | Amethyst | Mobile phone game | |
| Lego Dimensions | Chunk | |||
| 2017 | Steven Universe: Save the Light | Amethyst | ||
| 2018 | Fallout 76 | P.i.t.a. | "Wastelanders" DLC | |
| 2019 | Steven Universe: Unleash the Light | Amethyst | ||