Kiefer Sutherland Jack Bauer Actor Elisha Cuthbert Kim Bauer Actor Carlos Bernard Tony Almeida Actor James Badge Dale Chase Edmunds Actor Dennis Haysbert David Palmer Actor Reiko Aylesworth Michelle Dessler Actor Christina Change Dr. Sunny Mercer Guest Star Zachary Quinto Adam Kaufman Guest Star Mary Lynn Rajskub Chloe O'Brian Guest Star Glenn Morshower Aaron Pierce Guest Star Wendy Crewson Dr. Anne Packard Guest Star Joaquim de Almeida Ramon Salazar Guest Star Vanessa Ferlito Claudia Hernandez Guest Star Vincent Laresca Hector Salazar Guest Star Riley Smith Kyle Singer Guest Star DB Woodside Wayne Palmer Guest Star Jesse Borrego Gael Ortega Guest Star Joel Surnow Executive Producer, Writer Robert Cochran Executive Producer Brian Grazer Executive Producer Howard Gordon Executive Producer Jon Cassar Director Michael Loceff Writer