Who did he actually call?

He called Robert F. Kennedy. The Attorney General at the time.

Green Book is a 2018 biographical dramedy about Dr Don Shirley a world class African American pianist, who embarked on a concert tour in the Deep South in 1962. Dr. Don Shirley calls Attorney General Robert F. Kennedy. Only Kennedy called the police chief back not the Governor.

He called Jeffrey Dahlmer

He called the governor of the arresting state, and the governor knowing the threat a black boycott will cause to the economy of his state he most given that police chief a strict warning of not wanting any unnecessary publicity.

Straight call to the governor.

A.G

Robert F Kennedy President Kennedy brother

He called Trump

What movie is this?

Green book