Characters played by Don Wildman
Self - Host
Characters played by Dave Rhodes
Self - Deputy Manager of Aviation
Characters played by George Adams
Self - President & CEO
Self - President and CEO
SA Recycling
Characters played by Gene Galloway
Self - Electron Project
Characters played by Heather Wylie
Self - BIologist
Characters played by John Gladsen
Self - Former San Quentin Guard
Characters played by Ben Gibson
Self - Raft Guide
Characters played by Bob Kauai Jasper Bob Jasper
Self - Caretaker
Characters played by Brad Clarke
Self - MBTA Historian
Characters played by Leslie Koch
Self - President
Trust for Governors Island
Characters played by Drew Reeves
Self
Characters played by Greg Vogelsang
Self - VP of Maintenance
Characters played by Brad Costigan
Self - Safety Manager
Characters played by Carter Graves
Self - Track Operations Supervisor
Characters played by Clay Anderson
Self - Astronaut
Characters played by Chuck Penson
Self - Author
Characters played by Scott Boyd
Self - Wreck Diver
Characters played by Earl Smith
Self - Former Mill Superintendent
Characters played by Tom Bagley
Self - Boston Water & Sewer Commission
Characters played by Michael B. Shaver
Self - National Park Historian - Chief Ranger - Governors Island National Monument
Characters played by John Garvey
Self - Author
Characters played by Fred Barker
Self - Manager of Water Operations
Characters played by Clive Valentine
Self - Corn Mill Operator
Characters played by Chris Bartch
Self - Engineer Tech
Characters played by William Goodrich
Self - SVP
MTA Capital Construction
Characters played by Carl Roepke
Self - Ice Technician
Characters played by Tom Waligora
Self - Engineer
Characters played by Gus Melonas
Self - BNSF Railway
Characters played by Jon Haeber
Self - Urban Explorer
Characters played by Arryl Kaneshiro
Self - Project Specialist
Grove Farm
Characters played by Joe Baker
Self - Co-Owner
Ole Smoky Distillery
Characters played by Fred Laskey
Self - Massachusetts Water Resources Authority
Characters played by Thom Johnson
Self - Historian
Bannerman Castle Trust
Characters played by Eric Lapp
Self - Rides Maintenance Manager
Characters played by Tony Sabatino
Self - Crane Operator
Characters played by Moses Gates
Self - Urban Explorer & Author
Characters played by Robert Porter
Self - Drilling Foreman
Characters played by Jay Bright
Self - Avalanche Expert
Characters played by James Labar
Self - Historian
Characters played by Dan Meisenzahl
Self - Hawaii State DOT
Characters played by Kristen Patneaude
Self - Program Manager
Energy Management
Characters played by Jaime Woodcock
Self - Architectural Historian
Characters played by Carol Jensen
Self - Historian
Characters played by Neal Bosshardt
Self - Public Relations
Characters played by Jim Bolton
Self - NASA VAB Operations Manager
Characters played by Jim Sumser
Self - Carpenter Foreman
Characters played by Glenn Howard
Self - Captain
Characters played by Archie Allen
Self - Bridge Maintenance Worker
Characters played by Clay Worst
Self - Old Wasp Mine
Characters played by Joseph Coleman
Self - Evolutionary Biologist
Characters played by Paul Mateyunas
Self - North Shore Historian
Characters played by Paul Groth
Self - Historian
Characters played by Kevin Laney
Self - Signal Hill Petroleum
Characters played by Nick Honerkamp
Self - Archeologist
Characters played by Rob Desharnais
Self - Turbine Technician
Characters played by Craig Ahlers
Self - Ride Mechanic
Characters played by Denis Switzer
Self - Contract Administrator
Characters played by Eric Budukiewicz
Self - Crane Operator
Characters played by Will Butler
Self - Manager
Butler Farms
Characters played by Todd Von Hoffmann
Self - Venice Historian
Characters played by Judy Berdy
Self - President
Roosevelt Island Historical Society
Characters played by Bob Gillooly
Self - Boston Police Department
Characters played by Tim Gaddis
Self - Regional Hydro Production Manager
Characters played by Kathryn Roman
Self
Characters played by Mark Logico
Self - United States Navy
Characters played by Peter Gruenwoldt
Self - Arborist
Characters played by Fred Noe
Self - 7th Gen. Master Distiller
Characters played by Dave Stringer
Self - Brigadier General
U.S. Air Force (Ret)
Characters played by Tom Butler
Self - Owner
Butler Farms
Characters played by Daniel Martinez
Self - Chief Historian
NPS
Characters played by Santo Verta
Self - Project Mgr
Roosevelt Island Operating Corp
Characters played by Kyle Oden
Self - Caver
Characters played by Patrick Kumashiro
Self
Characters played by Cliff Read
Self - Program Coordinator
Characters played by Randy Young
Self - Pacific Palisades Historian
Characters played by Chris Lyman
Self - Systems Operator
Characters played by Mark Jackson
Self - Industrial Fire Training Manager
Characters played by Tim Sullivan
Self - Ramp Agent
Characters played by Paul Gunnels
Self - Emergency First Responder
Characters played by Dale Hurt
Self - Operations Technical Director
Characters played by John Adams
Self - Biosphere 2
Characters played by Scott Burch
Self - Geotechnical Engineer
Characters played by Pat McCormick
Self - Dive Instructor
Characters played by Bill Gross
Self - Supervising Engineer
Characters played by Jeff Taylor
Self - Project Manager
Characters played by Kathy Lust
Self - Engineer
Characters played by Juan Sanchez
Self - Construction Representative
Characters played by Justin King
Self - Master Distiller
Characters played by Stephen Youngblade
Self - Marketing & Communications
Characters played by Andy Thompson
Self - Construction Manager
Characters played by Bart Ney
Self - Public Information Officer
Caltrans
Characters played by Mark Rhodes
Self - Lead Quality Engineer
Characters played by Michal Smolen
Self - USA Canoe & Kayak Athlete
Characters played by Sarah Boyce
Self - Pyro Loader