Acting Ruffalo had minor roles in films like The Dentist (1996) http://www.youtube.com/v/gThYbmxQgnE?fs=1&hl=en_US , the low-key crime comedy Safe Men (1998) and Ang Lee ‘s acclaimed Civil War Western Ride with the Devil (1999) http://www.youtube.com/v/v0dpuKULBQo?fs=1&hl=en_US . Through a chance meeting with writer Kenneth Lonergan , Ruffalo began collaborating with Lonergan and appeared in