IMDbActorJoshua Caleb JohnsonActing•2005•Decatur, Georgia, USABiographyJoshua Caleb Johnson is an American actor. He is best know for his role as Onion aka Henry Shackleford in Showtime's limited series "The Good Lord Bird". He is also currently recurring as "Dwayne Baxter" on the FX hit show Snowfall.Details
