Disney upcoming film A Wrinkle in Time has a powerhouse cast that includes the likes of Mindy Kaling, Chris Pine, Michael Pena, and Reese Witherspoon. Of course, there’s another big name in the cast as well: Oprah Winfrey.

On a recent Conan appearance, Witherspoon shared a bit of what it was like working with an icon like Oprah and how the cast and crew would hang on her every word. Of course, there was also talk of Winfrey’s trademark generosity as well:

A Wrinkle in Time starring Witherspoon, Winfrey, and many, many more is slated to open April 6th of next year.