'Chicago Fire' Adds '50 Shades of Grey' Alum to Season 6

The showrunners for Chicago Fire have tapped Fifty Shades of Grey actress Eloise Mumford for a recurring role on the NBC series.

Mumford will portray "an old friend of paramedic Sylvie Brett (Kara Killmer)" named Hope Jacquinot. "She is described as a playful, charming girl-next-door turned up a notch who has sprung free of her tiny hometown in Indiana to hit the streets of Chicago," according to THR.

Up Next: When Do 'Chicago Fire' and 'Chicago P.D.' Return to NBC?

While she is best known for her role in Fifty Shades of Grey and the film's sequel, Fifty Shades Darker, her other credits include Lone Star and The River.

The cast of Chicago Fire also includes Jesse Spencer, Taylor Kinney, Monica Raymund, Eamonn Walker, David Eigenberg, Joe Minso, Yuri Sardarov, Christian Stolte and Steven R. McQueen.

Chicago Fire isn't the only show in the Dick Wolf franchise adding some familiar faces. The Wire alum Wendell Pierce will be featured as a guest star in the Season 5 premiere of Chicago P.D. He will portray a politician named Alderman Price, "a shrewd, intelligent, and determined Teflon politician who seemingly plays neutral and picks sides all at once."

More: 'Chicago Fire' Star Shares First Details From Season 6 Premiere

Chicago Fire kicks off its sixth season at 10 p.m. ET Sept. 28 on NBC. As for Chicago P.D., it will premiere the day before and see the return of former series regular Jon Seda, following the cancellation of Chicago Justice.

For those who watched, the season finale of Chicago Fire was a total cliffhanger. Fortunately, more details have surfaced about the next season. You can learn more here.