NYT did an article about it [0], which has some details on the casting. Peter Serafinowicz is indeed doing his Michael Caine impersonation, and also does Trump

NYT did an article about it [0], which has some details on the casting. Peter Serafinowicz is indeed doing his Michael Caine impersonation, and also does Trump. Other characters are done by Trey Parker and various family members. 0: https://www.nytimes.com/2020/10/29/arts/television/sassy-justice-south-park-deepfake.html?action=click&module=Editors%20Picks&pgtype=Homepage https://www.nytimes.com/2020/10/29/arts/television/sassy-jus...