Dieter "Didi" Hallervorden is a German comedian, comic actor, singer and cabaret artist.
Willem "Wim" Sonneveld was a Dutch cabaret artist and singer. Together with Toon Hermans and Wim Kan, he is considered to be one of the 'Great Three' of Dutch cabaret. Sonneveld is generally viewed as a Dutch cultural icon for his work and legacy in theatre, musicals and music.
Henriëtte Adriana "Hetty" Blok was a Dutch cabaret artist, singer, and actress who performed on the stage, on radio, and on television for more than five decades. Her best-known role is Nurse Klivia, one of the lead roles in the iconic television series Ja zuster, nee zuster, a role with which she was identified the rest of her life. She was known also as a friend of Annie M. G. Schmidt and a singer of her songs.
Karel Švenk, sometimes referred to in German as Karl Schwenk, was a Czech cabaret artist, comedian, songwriter and writer. A leading figure in the cabaret at the Theresienstadt concentration camp, a "show" concentration camp for artists, Svenk was eventually sent to Auschwitz and later died on a subsequent transport to Mauthausen-Gusen concentration camp.