Joe O'Connor is an actor known for his role as Marshall Darling on Clarissa Explains It All.

He has appeared on numerous television shows such as "Friends," "Melrose Place," "The Practice," "The Jamie Foxx Show," "Diagnostic Murder," "The West Wing," "E.R.," "Malcolm in the Middle," "Crossing Jordan," "Reno 911!," "Without a Trace," "Mad Men," "The Young and the Restless," "Bones," and "NCIS."

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