Ralf Richter (August 17, 1957 - September 15, 2026) was a German film, television, and stage actor. Born in Essen, he grew up in a working-class neighborhood in Bochum. After completing an apprenticeship as a carpenter, he studied acting at the Westphalian Drama School in Bochum and began his career on stage.

He gained widespread recognition for his portrayal of Chief Petty Officer Frenssen in Wolfgang Petersen’s acclaimed war film Das Boot (1981). The role established him as one of Germany’s most recognizable character actors, particularly known for portraying tough, outspoken, and often eccentric figures.

His notable film credits include Die Katze (1988), Manta - Der Film (1991), Superstau (1991), and Fußball ist unser Leben (2000). He achieved cult status with his portrayal of the hot-tempered criminal Kalle Grabowski in Peter Thorwarth’s crime comedy Bang Boom Bang (1999).

Richter continued his collaboration with Thorwarth in Was nicht passt, wird passend gemacht (2002) and Goldene Zeiten (2006). Together, these three films became known as the Unna Trilogy. His later film appearances included Vorstadtkrokodile (2009), Nicht mein Tag (2014), Radio Heimat (2016), Enfant Terrible (2020), and Bad Director (2023).

In addition to his film career, he appeared in numerous German television series, including Tatort, Der Fahnder, Alarm für Cobra 11, Ein Fall für zwei, and Heldt.

Richter was particularly associated with the Ruhr region and became known for his distinctive voice, direct manner, and memorable portrayals of working-class characters and small-time criminals.

He died in Cologne in September 2026 at the age of 69.