There is a scene in which the character of Lucca Quinn is pretending to have an English accent while speaking on the phone. Cush Jumbo is from London, England, so she is using her normal speaking voice.
The show filmed two versions of the pilot due to the unexpected outcome of the 2016 Presidential election. As the production had erroneously assumed that Hillary Clinton would be a shoo-in, a second version was shot with Diane Lockhart (Christine Baranski) staring incredulously at her television screen as the announcement that Donald Trump had become the 45th President of the United States.