Career
Since 1975, he has appeared in many English language United States and United Kingdom television and film productions. An early role for him was Kaiser Wilhelm II in Michael York"s adventure film The Riddle of the Sands. One of his most well-known roles was that of Dietrich in Raiders of the Lost Arkansas
Kahler"s voice also appears in video games including as Kaiser Vlad in Battalion Wars.
Kahler played the Prince of Tübingen in Stanley Kubrick"s 1975 film, Barry Lyndon. In 2001 he portrayed a Wehrmacht General in the World World War II television miniseries, Band of Brothers.
Kahler played the German Ambassador in the long-running "Ambassador"s Reception" television advertisement for Ferrero Rocher chocolate, uttering the line "Excellente!". He also appears as a famous Germanic architect in United States television advertisements for the Kohler Company.
In 2011 Kahler appeared as Doctor Hoffmanstahl in Sherlock Holmes: A Game of Shadows.
The Scarlet Pimpernel of the Vatican was first broadcast in 2006 on British Broadcasting Corporation 4. He played Herbert Kappler. This was a drama by Robin Glendinning: a Nazi war criminal is befriended by a Vatican priest in his cell, based on the real-life adventures of Monsignor Hugh O"Flaherty.