David Lambert, who plays piano prodigy Brandon Foster, was cast for the role without confirming if he even can play the piano. It turned out he is actually a good pianist.
When Sherri Saum was pregnant with her twins, she thought about naming them Jesus and Mariana. She later then found out they were both boys.
On January 3, 2018, Freeform announced that The Fosters was ending after five seasons. The series is set to conclude with a three-episode finale event to air summer 2018. The finale will also act as an introduction to a spinoff-series starring Cierra Ramirez and Maia Mitchell. The show will start with a thirteen-episode first season and will be set a few years in the future and follow "Callie and Mariana, as they embark on the next phase of their young adult lives.
Maia Mitchell and Cierra Ramirez are best friends in real life.
Maia Mitchell (Callie Adams-Foster), Jordan Rodrigues (Mat Tan), and Louis Hunter (Nick Stratos) are all Australian, but unlike Mitchell and Rodrigues, Hunter does not have a strong Australian accent.