Wigdor got his first role playing J.J. Forbes on the soap opera Loving, later called The City. The show was cancelled in 1997. In 1994, he played the part of Flick in the movie It Runs in the Family (aka My Summer Story). Geoffrey also appeared in commercials including Chef Boyardee and Pringles Chips. In 1996 he was offered the role of young John Reilly in the film Sleepers, (an allegedly true story) for which Wigdor was nominated for best young actor in a drama film. He also starred in the movie Levity and was a guest on the television show Las Vegas. He was also appeared on Law and Order: Special Victims Unit- 'Tangled' episode in 2001. where he played Jesse Kleberg. In 2008, he appeared again as Donald 'Dizzer' Zuccho, in the 'Babies' episode.
Geoffrey currently lives in New York City and works as a real estate agent for the Halstead Group in Manhattan.