Actor Martin Sheen made an appearance in a New York court on Thursday to watch the mother of his granddaughter be tried for assault.

Paula Speert, the ex-girlfriend of Charlie Sheen and mother of his eldest child, 23-year-old Cassandra, is facing charges she attacked her business partner in a Manhattan hotel. Speert pleaded not guilty to the charge.

Sheen told the New York Daily News outside court, "It's a surprise and a shock. We're here to hear the allegations."

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(This news article provided by World Entertainment News Network)