Their characters on TV comedy The Office fell in love and married and now they're playing husband and wife on the big screen too.

And on Monday night, Steve Carell and Amy Ryan walked the red carpet at the Los Angeles premiere for their new film Beautiful Boy at the Samuel Goldwyn Theater with Amazon Studios presented by Audi.

The two play David and Vicki Sheff, the parents of Nic Sheff, whose struggles with drug addiction form the basis for the based-on-a-true-story drama.

Reunited: Steve Carell and Amy Ryan, who starred together on The Office, walked the red carpet at the Los Angeles premiere for their new film Beautiful Boy on Monday night

The movie is based on the best-selling pair of memoirs from father and son David and Nic, adapted into a screenplay by Luke Davies and Felix Van Groeningen, who also directed the feature.

Timothee Chalamet stars as Nic whose survival, relapse and ultimate recovery dominates his family for years.

Carell, 56, bought his own family with him to the premiere, posing for photos with wife Nancy, daughter Elisabeth, 17, and son John, 14.

Night out: Carell, 56, bought his family with him to the premiere, posing for photos with wife Nancy, daughter Elisabeth, 17, and son John, 14

Meaty role: Carell plays David Sheff, the father of a young man struggling with drug addiction in the drama that's based on a true story

Ryan, 49, looked lovely in a blue frock with a bateau neckline and half sleeves.

The silky outfit was cinched at the waist and was dotted with large polka dots in the same color.

She wore blue pointed toe pumps and carried a shiny silver box purse.

Ryan wore her blonde hair swept across her forehead from one side and accessorized with stunning sapphire and silver earrings.

Stylish: Ryan, who plays the boy's mother Vicki Sheff, looked lovely in a blue frock with a bateau neckline and half sleeves

Lovely look: Ryan, 49, added blue pointed toe pumps and carried a shiny silver box purse. accessorized with stunning sapphire and silver earrings

Ryan posed for photos with the real Vicki Sheff and her son Nic who is the 'Beautiful Boy' of the title and whose struggles with drug addiction were detailed in his and his father's memoirs

On-screen son: Ryan also had her photo taken with young actor Jack Grazer who plays the young Nic in the movie

Nic Sheff's parents divorced when he was six years old and David Sheff remarried to Karen Barbour, who is played on screen by former ER star Maura Tierney.

Tierney, 53, looked lovely in a long-sleeved black dress gathered at the waist.

The v-neckline allowed her to flash a little cleavage and she wore black sandal heels.

Classy: Maura Tierney plays Carell's character's second wife Karen Barbour and the former ER star opted for a long-sleeved black dress and matching sandal heels

Lovely: Tierney, 53, flashed a little cleavage thanks to the frock's v-neckline and the outfit was gathered at the waist. She wore her dark hair loose and tucked behind the ear on one side

Chalamet, 22, stood out from the crowd in a bright red two-piece suit with a red t-shirt.

He contrasted his outfit with a pair of white trainers.

Kaitlyn Dever, 21, wore a gold embroidered dress with square neckline and cap sleeves.

The actress wore her brown hair back from her face and was made up with black mascara, dark blush and matte red lip color.

Star: Chalamet, 22, stood out from the crowd in a bright red two-piece suit with a red t-shirt

On the up: He contrasted his outfit with a pair of white trainers. He was nominated for an Oscar for his 2017 film Call Me By Your Name

Fashion forward: Kaitlyn Dever, 21, wore a gold embroidered dress with square neckline and cap sleeves

Striking a pose: Dever wore her brown hair back from her face. She was made up with black mascara, dark blush and matte red lip color

Stefanie Scott, 21, flashed her midriff in a short-sleeved crop top and matching slacks.

She tucked her long hair behind her ears and accessorized with drop earrings.

Also at the premiere was the film's director Van Groeningen and actress Zelda Williams.

Beautiful Boy opens in theatres on October 12.

Bared some skin: Stefanie Scott, 21, flashed her midriff in a short-sleeved crop top and matching slacks

Striking: She tucked her long hair behind her ears and accessorized with drop earrings. She added a pair of dark red sandal heels

At the helm: Felix Van Groeningen directed the feature and co-wrote the screenplay