Mary Holland Cast in HBO Max's Jimmy Olsen DC Series

Mary Holland has joined the cast of HBO Max's upcoming DC series centered on Jimmy Olsen. She will play Sandra, according to sources close to the production.

The series stars Skyler Gisondo as Jimmy Olsen, reprising his role from James Gunn's Superman. It is filmed as a true-crime-style mockumentary, with Jimmy investigating stories from the DC universe.

Jimmy Tatro has also been cast as Gorilla Grodd, the super-intelligent telepathic ape who will be the main focus of the first season.

The series is created, written and executive produced by Tony Yacenda and Dan Perrault, the team behind Netflix's American Vandal. James Gunn and Peter Safran are executive producers, with Warner Bros. Television producing the project.

HBO Max and DC Studios declined to comment on the casting reports.

Holland is known for her roles in Ghosts, Netflix's The Little House on the Prairie reboot, The Big Door Prize, Nightbitch, and several other television and film projects.