Self - Structural Engineer (4 episodes, 2007-2008)
Self - Ocean Safety Chief / Self - Ocean Safety Diver (2 episodes, 2008)
Self - Former Petty Officer (1 episode, 2007)
Self - Cranesville Fire Department (1 episode, 2007)
Self - WABC Reporter (1 episode, 2007)
Self (1 episode, 2007)
Self - Crash Investigator (1 episode, 2007)
Self - Videographer (1 episode, 2008)
Self - Witness (1 episode, 2008)
Self - Friend of Pilot (1 episode, 2008)
Self - Reporter (1 episode, 2008)
Self - Department of Emergency Services (1 episode, 2008)
Self (1 episode, 2008)
Self - Motorsports Manager (1 episode, 2008)
Self - Battalion Chief (1 episode, 2008)
Self - Retired Admiral (1 episode, 2007)
Self - Pilot (1 episode, 2007)
Self - Drag Racer (1 episode, 2008)
Self - Demolition Engineer (1 episode, 2008)
Self - Paramedic (1 episode, 2008)
Self - Crash Witness (1 episode, 2008)
Self - Marine Captain (1 episode, 2008)
Self - Train Master (1 episode, 2008)
Self - Homeowner (1 episode, 2007)
Self - Racer (1 episode, 2007)
Self - Helicopter Mechanic (1 episode, 2007)
Self - Fire Specialist (1 episode, 2008)
Self - Driver (1 episode, 2008)
Self - Pilot (1 episode, 2008)
Self - Bicyclist (1 episode, 2008)
Self - Flight Instructor (1 episode, 2008)
Self - Survival Training Instructor (1 episode, 2008)
Self - Magician (1 episode, 2007)
Self - Bruce's Wife (1 episode, 2007)
Self - US Navy Photographer (1 episode, 2007)
Self - Firefighter (1 episode, 2007)
Self - Trimotor Pilot (1 episode, 2008)
Self - Sports Reporter (1 episode, 2008)
Self - Cameraman (1 episode, 2008)
Self - Skydiver (1 episode, 2008)
Self - Racer (1 episode, 2008)
Self - Snowmobiler (1 episode, 2008)
Self - Accident Investigator (1 episode, 2008)
Self - Rescuer (1 episode, 2008)
Self - Friend (1 episode, 2008)
Self - Stunt Coordinator (1 episode, 2008)
Self - Assistant Fire Chief (1 episode, 2007)
Self - Musician (1 episode, 2007)
Self - A-4 Pilot (1 episode, 2007)
Self - Former Pennsylvania Police Officer (1 episode, 2008)
Self - Sioux City Emergency Services (1 episode, 2008)
Self - Utah Highway Patrol (1 episode, 2008)
Self - Farmer (1 episode, 2007)
Self - Maritime Eye (1 episode, 2007)
Self - LAPD (1 episode, 2008)
Self - Safety Official (1 episode, 2008)
Self - Elephant Witness (1 episode, 2008)
Self - Singer (1 episode, 2008)
Self - Airplane Crash Survivor (1 episode, 2007)
Self - SCTA Tech Chairman (1 episode, 2007)
Self - Flash Flood (1 episode, 2007)
Self - Firefighter (1 episode, 2008)
Self - US Coast Guard (1 episode, 2008)
Self - Keyboardist (1 episode, 2008)
Self - LAPD, Retired (1 episode, 2008)
Self - EMT (1 episode, 2008)
Self - United 232 Passenger (1 episode, 2008)
Self - Airplane Passenger (1 episode, 2008)
Self - Rescuer (1 episode, 2007)
Self - Cameraman (1 episode, 2007)
Self - DC-10 Trainer (1 episode, 2008)
Self - Motorist (1 episode, 2008)
Self - FBI (1 episode, 2008)
Self - Captain of Windoc (1 episode, 2008)
Self - Boat Passenger (1 episode, 2008)
Self - Former Accident Investigator (1 episode, 2007)
Self - Captain (1 episode, 2007)
Self - Rescier (1 episode, 2007)
Self - St. George Resident (1 episode, 2007)
Self - Police Dispatcher (1 episode, 2008)
Self - Cable Lift Rescuer (1 episode, 2008)
Self - Boater (1 episode, 2008)
Self - Navigator (1 episode, 2008)
Self - Witenss (1 episode, 2008)
Self - Funny Car Racer (1 episode, 2007)
Self - Co-Pilot (1 episode, 2007)
Self - Storm Chaser (1 episode, 2007)
Self - ATV Racer (1 episode, 2008)
Self - WItness (1 episode, 2008)
Self - Dam Spokesman (1 episode, 2008)
Self - Track Announcer (1 episode, 2008)
Self - Race Car Owner (1 episode, 2008)
Self - US Ambassador (1 episode, 2007)
Self - Neighbor (1 episode, 2007)
Self - Devon Fire and REscue (1 episode, 2007)
Self - Austin Park Police (1 episode, 2008)
Self - Elephant Groomer (1 episode, 2008)
Self - Former Undersheriff (1 episode, 2008)
Self - Photojournalist (1 episode, 2008)
Self - A7 Pilot (1 episode, 2008)
Self - Airplane Passenger (1 episode, 2007)
Self - Fireworks Manager (1 episode, 2007)
Self - NOAA (1 episode, 2007)
Self - Tower Witness (1 episode, 2007)
Self - Ocean Safety Captain (1 episode, 2008)
Self - Business Owner (1 episode, 2008)
Self - Former Hostage (1 episode, 2008)
Self - Kentucky State Police (1 episode, 2008)
Self - Photographer (1 episode, 2008)
Self - LAPD SWAT (1 episode, 2008)
Self - Fireworks Employee (1 episode, 2007)
Self - Mayor (1 episode, 2007)
Self - KGMB News Photographer (1 episode, 2007)
Self - Concrete Plant Owner (1 episode, 2008)
Self - Aerospace Expert (1 episode, 2008)
Self - Former SAS (1 episode, 2008)
Self - Telemundo Reporter (1 episode, 2008)
Self - ATF (1 episode, 2008)
Self - University of Rome (1 episode, 2008)
Self - Survivor (1 episode, 2007)
Self - USS Forrestal (1 episode, 2007)
Self - Fire Department Chief (1 episode, 2007)
Self - Cambridge University (1 episode, 2007)
Self - Safety Expert (1 episode, 2008)
Self - Birmingham Sheriff's Deputy (1 episode, 2008)
Self - Coast Guard (1 episode, 2008)
Self - Former Newspaper Publisher (1 episode, 2008)
Self - Dirt Biker (1 episode, 2008)
Self - Moi Hole Survivor (1 episode, 2008)
Self - FIre Protection Specialist (1 episode, 2007)
Self - Witness (1 episode, 2007)
Self - Uss Forrestal (1 episode, 2007)
Self - Helicopter Pilot (1 episode, 2008)
Self - Queensland Fire Department (1 episode, 2008)
Self - City Engineer (1 episode, 2008)
Self - Architect (1 episode, 2008)
Self - Mechanic (1 episode, 2007)
Self - Crane Expert (1 episode, 2007)
Self - Surfboat Crew (1 episode, 2008)
Self - Rescue Coordinator (1 episode, 2008)
Self - Rocket Car Crew (1 episode, 2008)
Self - Mayor (1 episode, 2008)
Self - Videographer (1 episode, 2007)
Self - Underwater Cameraman (1 episode, 2008)
Self - Engineer (1 episode, 2008)
Self - Lakeside Fire Department (1 episode, 2008)
Self - Surfboat Captain (1 episode, 2008)
Self - Crane Operator (1 episode, 2007)
Self - Former Sergeant (1 episode, 2007)
Self - Firestorm Survivor (1 episode, 2008)
Self - Landslide Expert (1 episode, 2008)
Self - Former Sheriff (1 episode, 2007)
Self - US Park Service (1 episode, 2008)
Self - Police Officer (1 episode, 2008)
Self - Fire and Rescue (1 episode, 2008)
Self - Former Officer (1 episode, 2007)
Self - Paraglider (1 episode, 2008)
Self - Rescue Worker (1 episode, 2008)
Self - Hiker (1 episode, 2007)
Self - Crash Survivor (1 episode, 2008)
Self - Climber (1 episode, 2007)
Self - Fire Investigator (1 episode, 2007)
Self - Boat Racer (1 episode, 2008)
Self - Fire Captain (1 episode, 2007)
Self - Ski Patrol (1 episode, 2007)
Self - Hazmat Inspector (1 episode, 2007)
Self - Engineer (1 episode, 2007)
Self - Rescue Diver (1 episode, 2008)
Self - Video Director (1 episode, 2008)
Self - Police Adviser (1 episode, 2008)
Self - Crew Chief (1 episode, 2008)
Self - Professor of Geological Sciences (1 episode, 2008)
Self - Verre Valley Fire Department (1 episode, 2008)
Self - East Glenville Fire Department (1 episode, 2008)
Self - Camp Verde Fire Department (1 episode, 2008)
Self - USMC (1 episode, 2008)
Self - Drag Racing Official (1 episode, 2008)
Self - Ramp Builder (1 episode, 2008)
Self - Fire Science Director (1 episode, 2008)
Self - Arizona DPS Bomb Squad (1 episode, 2008)
Self - Clarksdale Fire Department (1 episode, 2008)