John Cusack is an American actor, producer, and screenwriter. He is best known for his roles in films such as Say Anything, Grosse Pointe Blank, High Fidelity, and IDENTITY. His sister Joan Cusack is also an actress. Grosse is a reference to the 1997 comedy-drama film Grosse Pointe Blank, in which John Cusack starred. SIS is a reference to his sister Joan Cusack. IDENTITY is a reference to the 2003 psychological thriller film IDENTITY, in which John Cusack starred.