The ban follows incidents which occurred in his club’s game against South Sydney Rabbitohs, a game which ended with crowd trouble and a match official being injured.
Graham has been banned for his late tackle on Souths’ Adam Reynolds, as well as for his reaction to referee Gerard Sutton.
The Bulldogs lost the game 18-17, with the crucial points coming from the penalty awarded against Graham.
Supporters threw bottles after the game, which was when the official was injured.
New South Wales police confirmed that another official had fallen and injured a shoulder. They have identified two people for “allegedly throwing bottles”.
Kasiano has been found guilty of dangerous conduct, and has been banned for two games.