Funimation has announced that starting today, August 5, the English dub of Scarlet Nexus will begin streaming on their service. The series will also stream with Spanish- and Portuguese-language dub in Chile, Colombia, Mexico, Brazil and Peru.
In addition, Funimation announced the voice cast which is as follows:
| Yuito | Chris Hackney |
| Kasane | Erica Mendez |
| Arashi | Reba Buhr |
| Fubuki | Chris Cason |
| Gemma | Aaron Hendricks |
| Hanabi | Megan Tyler Harvey |
| Haruka | Celeste Henderson |
| Joe | Charlie Campbell |
| Kagero | Chris Patton |
| Kaito | Zeno Robinson |
| Karen | Armen Taylor |
| Kasane (Young) | Erica Mendez |
| Kyoka | Lauren Landa |
| Luka | Zach Aguilar |
| Nagi | Griffin Burns |
| Naomi | Jen Losi |
| Naomi (Young) | Jen Losi |
| Seto | Phillip Reich |
| Shiden | Phil Song |
| Tsugumi | Xanthe Huynh |
| Wataru | Aaron Campbell |
| ADR Director | Megan Shipman |
| Lead ADR Engineer | Victor Acosta |
| Assistant ADR Engineers | Paul Cline, Geoff Bisente, Olivia Harris |
| ADR Scriptwriter | Katelyn Barr |
| ADR Script Supervisor | Tyler Walker |
| Mix Engineer | Neal Malley |
Source: Funimation
