The dog who played Rex on Hudson & Rex was Diesel vom Burgimwald, and he died in 2024 after battling cancer. The show continued with his nephews, Dillon and Dante, stepping into the role.

What happened

Diesel passed away during production of season 7, and reports say he had late- stage cancer.

After his death, the production used other trained German shepherds to keep Rex on screen, with Dillon becoming the main replacement.

Why fans noticed

Viewers had already seen changes in the dog work during season 7, which led to a lot of discussion online and in entertainment coverage.

The show’s team later confirmed the reason was Diesel’s death, not a storyline decision.

In brief

  • Dog’s name: Diesel vom Burgimwald.
  • Role: Rex on Hudson & Rex.
  • Cause of death: Cancer.
  • Replacement: His nephews Dillon and Dante.

TL;DR: Diesel, the original Rex, died in 2024 from cancer, and the show kept Rex going with other trained dogs.