(written from a Production point of view)
Michael Keppel is an actor who appeared as a Romulan senator in Star Trek Nemesis. He received no credit for his appearance but was identified by the name tag of his costume which was sold off on the It's A Wrap! sale and auction on eBay.  
In 2016, Keppel appeared in the reality television program Chef Brad's Five Star Tips: Volume 3.