Kiefer Sutherland Jack Bauer Actor Elisha Cuthbert Kim Bauer Actor Dennis Haysbert David Palmer Actor Carlos Bernard Tony Almeida Actor Reiko Aylesworth Michelle Dessler Actor James Badge Dale Chase Edmunds Actor Sarah Clarke Nina Myers Guest Star DB Woodside Wayne Palmer Guest Star Vincent Laresca Hector Salazar Guest Star Mary Lynn Rajskub Chloe O'Brian Guest Star Joaquim de Almeida Ramon Salazar Guest Star Zachary Quinto Adam Kaufman Guest Star Penny Johnson Sherry Palmer Guest Star Gina Torres Julia Milliken Guest Star Jack Kehler Kevin Kelly Guest Star Gonzalo Menendez Pablo Guest Star Rick Ravanello Captain Reiss Guest Star Joel Surnow Executive Producer Robert Cochran Executive Producer, Writer Brian Grazer Executive Producer Howard Gordon Executive Producer, Writer Jon Cassar Director