Mark Jefferies: Gaffer (Lighting)2010-10-10

Mark Jefferies: Rigging Gaffer (Lighting)2013-07-21

Mark Jefferies: Rigging Gaffer (Lighting)2007-12-25

Mark Jefferies: Gaffer (Lighting)2012-05-26

Mark Jefferies: Rigging Gaffer (Lighting)2016-02-25

Mark Jefferies: Rigging Gaffer (Lighting)2016-12-16

Mark Jefferies: Rigging Gaffer (Lighting)2016-10-07

Mark Jefferies: Rigging Gaffer (Lighting)2017-05-09

Mark Jefferies: Rigging Gaffer (Lighting)2017-03-08

Mark Jefferies: Rigging Gaffer (Lighting)2018-07-13

Mark Jefferies: Rigging Gaffer (Lighting)2018-03-21

Mark Jefferies: Rigging Gaffer (Lighting)2023-12-21

Mark Jefferies: Rigging Gaffer (Lighting)2024-05-08

Mark Jefferies: Assistant Chief Lighting Technician (Lighting)2008-04-02