The voiceover is done by former ABC chairman Lloyd Braun, who pictched and commissioned the Lost pilot (the idea/first episode for the show).
You will not be able to remove VoiceOver as it is part of the system. You probably tried deleting the VoiceOver Utility which is software to configure the use of VoiceOver. You can turn off VoiceOver from the Universal Access section of the System Preferences by clicking on the Seeing tab.
The voiceover is done by English Actor and comedian, Jake Wood.
Kevin spacey
The cast of Voiceover - 2011 includes: Amy Shindler as Katherine Tony Wadham as Geoff
He is doing voiceover work. And continuing to recover from his 2012 stroke.
Ellen Archer
Scott Bakula
The announcer
martin muncaster
Mark Halliley
Richard Thomas
Matt Berry