The star accused the company of conducting cruel treatment 'disguised as entertainment'
The company still hasn't overcome the fall out from 2013 documentary Blackfish
The park is well-known for its mistreatment of animals
The 'Babe' actor and veteran vegan took a stand for the animals
She is the third whale to die at the facilty so far this year
The water park has been suffering financially since documentary Blackfish highlighted its treatment of killer whales
Animal rights charity PETA live streamed the protest on its Facebook page