- Daymond John (Self - Shark)
- Barbara Corcoran (Self - Shark)
- Robert Herjavec (Self - Shark)
- Kevin O'Leary (Self - Shark)
- Phil Crowley (Self - Announcer (voice))
Shark Tank — S8E21
Episode: Episode 21
Air Date: 2017-04-14
Runtime: 44 min
Overview
To show how their smartphone app can improve personal security, two entrepreneurs from Chicago, Illinois, bring a live guard llama into the Tank; two entrepreneurs from Irvine,..