Lisa Sheridan, Invasion and Halt and Catch Fire Actress, Dies at 44 Actress Lisa Sheridan, who appeared in Invasion and Halt and Catch Fire, has died. She was 44. Sheridan’s manager, Mitch Clem, confirmed her death to PEOPLE on Wednesday.  “We all loved Lisa very much and are devastated by the loss we all feel,” Clem tells PEOPLE. “She passed away Monday morning, at home, in her apartment in New Orleans. We are waiting for a coroners report on cause of death.” Clem denied Sheridan had taken her own life: “The family has unequivocally confirmed that this is not a suicide. Any suggestion to the contrary is absolutely, 100% unfounded.” more