Krasinski took to social media Tuesday with the news, adding a series of photos of Carell, along with Ryan Reynolds, Phoebe Waller-Bridge, Louis Gossett Jr., Fiona Shaw, Alan Kim and Cailey Fleming.
“Ah, what if one day I could assemble my dream cast? What … IF,” he wrote.
The movie will mark the duo’s first professional collaboration since “The Office.”
“The Office” debuted in 2005 and ran until 2013 and also starred Mindy Kaling, Rainn Wilson, B.J. Novak, Angela Kinsey and Jenna Fischer.
“If” is scheduled to be released on November 17, 2023.