Kirchberg has also appeared on-camera as a guest on Sesamstrasse, in a late 1990s episode as an Elvis-like customer at Bettina's shop, and then as a hotel guest in 2000. Kirchberger's live-action dub credits include Elvis Presley in six films and John Candy in five. He also dubbed Adam West on Batman, Stephen Fry in Oscar Wilde and on Jeeves and Wooster, David Canary on Bonanza, Joe Santos on The Rockford Files, and various Columbo guest stars (including George Hamilton, William Shatner, and Little Richard). He also voice directed several Columbo installments (with dialogue adaptation by Eberhard Storeck).