S09E01: The Case of the Laughing Lady

Carla Chaney is caught seemingly red-handed at the scene of the murder of her ex-boyfriend. Perry agrees to take the case pro bono after three other attorneys drop out. Carla's only hope is an unseen woman she claims was also present at the scene. According to Carla, this woman had a sinister laugh.

Season 9

Raymond Burr
Raymond Burr
Perry Mason
Barbara Hale
Barbara Hale
Della Street
William Hopper
William Hopper
Paul Drake
William Talman
William Talman
Hamilton Burger
Ray Collins
Ray Collins
Lieutenant Tragg