Self - Narrator (1 episode, 2020)
Self - EcoHealth Alliance, President (1 episode, 2020)
Self - Psychologist (1 episode, 2020)
Self - Volunteer (1 episode, 2020)
Self - USA (1 episode, 2020)
Self - Baylor College of Medicine (1 episode, 2020)
Self - Oxford University (1 episode, 2020)
Self - Russia (1 episode, 2020)
Self - Johns Hopkins University School of Medicine (1 episode, 2020)
Self - Philanthropist (2 episodes, 2020)
Self - India (1 episode, 2020)
Self - International Organizer, CEPI (1 episode, 2020)
Self - Italy (1 episode, 2020)
Self - Germany (1 episode, 2020)
Self - Global Health Professor (1 episode, 2020)
Self - Ireland (1 episode, 2020)
Self - Vaccine Historian (1 episode, 2020)
Self - Psychotherapist (1 episode, 2020)
Self - Neuroscientist (1 episode, 2020)
Self - COVID-19 Survivor (1 episode, 2020)
Self - Artist (1 episode, 2020)
Self - Doctor (1 episode, 2020)
Self - Trauma Researcher (1 episode, 2020)
Self - Costa Rica (1 episode, 2020)
Self - Iceland (1 episode, 2020)
Self - Malaysia (1 episode, 2020)
Self - Sociologist (1 episode, 2020)
Self - Scotland (1 episode, 2020)
Self - France (1 episode, 2020)