Summer Phoenix and Casey Affleck
01/15/2008 at 02:00 PM EST
Casey Affleck and wife Summer Phoenix welcomed a second child, a son, the actor's rep says.
No other details have been announced.
Affleck, 32, and Phoenix, 30, who were married
in June 2006, also have 3-year-old son Indiana August.
Affleck stars in Gone, Baby, Gone
, directed by brother Ben Affleck
. Phoenix is the younger sister of actors Joaquin and the late River Phoenix.