In the new awards contender “Her,” now open in theaters, Scarlett Johansson plays a computer operating system named Samantha. Her performance has critics buzzing: The Post’s film editor Lou Lumenick called Johansson’s performance “a vocal tour de force.” And even though the Golden Globes deemed her ineligible for a nomination, an Oscar nod is still a possibility.
But she’s not the first actor to capture our hearts without even appearing on-screen. Here are eight other non-animated voice-over performances you need to check out.

As Sam Bell’s (Sam Rockwell) robot friend GERTY, he delivered the goods. Robot Kevin Spacey: only slightly icier than real Kevin Spacey.

Cowboy Allan “Rocky” Lane went uncredited for his mastery as the voice of everyone’s favorite talking horse. But his work set the tone for many a talking animal to come.

It’s impossible to imagine the magic of the cult hit comedy without that distinctive voice leading us through the crazy scenarios.

Rain’s performance as the villainous computer HAL 9000 made a strong case for eliminating computers all together. There are few things creepier than his line, “Dave, this conversation can serve no purpose anymore. Goodbye.”

As the narrator on the beloved drama series, Stern voices Kevin Arnold 20 years in the future. His performance was the show’s adult spirit.

Sabrina couldn’t have gotten through high school if it weren’t for her wisecracking cat, Salem. And we wouldn’t have stood for a talking a black cat if he hadn’t been so darn funny.

Behind every super hero is a Just a Rather Very Intelligent System, a k a J.A.R.V.I.S., the computer with a British accent. Where would Tony Stark be without him taking care of everything around the house?

One of the most iconic voices of all time, Henson’s charisma as the little green guy captured the hearts of kids and parents alike.