Aaron Taylor-Johnson leads '28 Years Later.' Here's where you might recognize the rest of the cast from.

Aaron Taylor-Johnson and Alfie Williams in "28 Years Later."

Sony Pictures Releasing

• "28 Years Later" is the long-gestating sequel to Danny Boyle's "28 Days Later."
• Aaron Taylor-Johnson leads the film alongside newcomer Alfie Williams.
• Here's where you might recognize the rest of the cast from.

"28 Years Later" brings the terrifying Rage virus back to the big screen as director Danny Boyle returns to examine postapocalyptic Britain once more.

It's the...