Rainer Bock (German pronunciation: ; born 31 July 1954) is a German actor and voice actor. To English-speaking audiences, he is best known for portraying Werner Ziegler in the fourth season of the AMC television series Better Call Saul.

Early life and education
Bock was born in Kiel, Germany. After graduating from school, he ran a café in his hometown, where there was also a cabaret programme. After studying acting at a private drama school in Kiel, Bock made his debut in 1982 as a theatre actor on the stages of Kiel.

Career
He had already worked as a stage actor for about 25 years, beginning in 1982, in Kiel, at the National Theatre Mannheim, the Staatstheater Stuttgart, and at the Bavarian State Theatre in Munich, before his film work increased by the end of the 2000s. In 2011, four films in which he acted were presented at the 61st Berlin International Film Festival.

Bock appeared in internationally known films directed by Steven Spielberg, Quentin Tarantino and Michael Haneke, and played minor roles in the TV shows Homeland, Better Call Saul, and SS-GB.