A strange woman shows up claiming to be Clark's biological mother...and that his father is Lionel. Meanwhile Lana decides to meet with the man who is her biological father.
|Angela Moore||Guest Star|
|Blair Brown||Guest Star|
|Malkolm Alburquenque||Guest Star|
|Matthew Munn||Guest Star|
|Mitchell Kosterman||Guest Star|
|Patrick Cassidy||Guest Star|
|Shelly Schiavoni||Guest Star|
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