George Mason
George Mason learns the threat of a Nuclear device in Los Angeles has been upgraded to 90% certainty, and takes off to leave the city to save himself.

Jack Bauer
Jack re-initiates his cover with Walt's thugs by proving his trust by giving them the witness' head in a dufflebag.

Kim Bauer
Kim flees with Megan from the house. Megan's abusive father chases after her.

President Palmer
When a reporter is planning to break a story about the possible threat, Palmer illegally holds him.

Jack Bauer
Walt's thugs allow Jack to go with them to a job - to bomb CTU headquarters!