Liesl Clark

2000

• [ ] Lost on Everest: The Search for Mallory and Irvine (Director) 

2003

• [ ] National Geographic - Everest 50 Years on the Mountain (Director) 
• [ ] National Geographic: Surviving Everest (Director) 
• [ ] NOVA-Lost Treasures of Tibet (Director) 

2009

• [ ] Lost Cave Temples of the Himalaya (Director) 

2012

• [ ] Cave People of the Himalaya (Director) 

2014

• [ ] Killer Landslides (Director) 

2016

• [ ] Himalayan Megaquake (Director) 

2017

• [ ] NOVA: Secrets of the Sky Tombs (Director) 

????

• [ ] Rise of the Superstorms (Director) 

2000

• [ ] Lost on Everest: The Search for Mallory and Irvine (Producer) 

2003

• [ ] National Geographic: Surviving Everest (Producer) 

2017

• [ ] NOVA: Secrets of the Sky Tombs (Producer) 

2003

• [ ] National Geographic: Surviving Everest (Writer) 
• [ ] NOVA-Lost Treasures of Tibet (Writer) 

2009

• [ ] Lost Cave Temples of the Himalaya (Writer) 

2017

• [ ] NOVA: Secrets of the Sky Tombs (Writer) 

2009

• [ ] Lost Cave Temples of the Himalaya (Narrator)