Collage for Alias: Where Are They Now.

Eric Weiss offered advice to Vaughn and others through the years.

Kevin played the lovable and geeky tech guy, Marshall.

After Angel, Acker had a role on Alias.

Balthazar Getty played Thomas Grace on Alias.

Vaughn and Lauren had an uncomfortable marriage.

Rachel Nichols's career started after Alias.

Bradley Cooper made it big, including in A Star is Born.

Jack and Sydney's mission when they were barely speaking.

One of Sydney's first missions included wearing a long blonde wig.

Irina, Sydney, and Jack were so much fun to watch together.