Mark Keller
Actor
Mark Keller is an announcer, voice artist, musician, and composer.
Series1
TV5.7RealityComedyReality series that follows high-level executives as they slip anonymously into the rank-and-file of their own organizations. Each week, a different leader will sacrifice the comfort of their corner office for an undercover mission to examine the inner workings of their operation.
Undercover Boss
2010 · 53 votes