Welcome to Flatch

• Chelsea Holmes as Kelly Mallet
• Sam Straley as Lloyd "Shrub" Mallet
• Justin Linville as Mickey St. Jean
• Taylor Ortega as Nadine Garcia-Parney
• Krystal Smith as Mandy "Big Mandy" Matthews
• Aya Cash as Cheryl Peterson
• Seann William Scott as Joseph "Father Joe" Binghoffer

• William Tokarsky as Len
• Desmin Borges as Jimmy Jameson
• Jason MacDonald as Bobby Mallet
• Erin Bowles as Beth
• Karen Huie as June
• Troy Hammond as Blind Billy
• Kyle Selig as Dylan

Kate and Shrub appeared in the Call Me Kat episode "Call Me Flatch".[13]

On December 4, 2019, an American version of This Country was announced by Fox with Jenny Bicks and Paul Feig writing and directing the pilot respectively.[14] On January 30, 2020, This Country was given a pilot order.[15] On October 30, 2020, This Country had been given a series order and is scheduled for premiere in the 2021–22 television season. The series will be a co-production between Lionsgate Television, Fox Entertainment, Feigco Entertainment and BBC Studios with Jenny Bicks as writer and executive producer and Paul Feig as director and executive producer.[16][17] On May 17, 2021, it was announced that the series title had been changed to Welcome to Flatch.[18][19]

On February 24, 2020, Seann William Scott was cast in a main role for the pilot.[20] On March 4, 2020, Chelsea Holmes, Sam Straley, Taylor Ortega and Krystal Smith were cast in main roles for the pilot.[21] On July 10, 2020, Aya Cash and Justin Linville were cast in main roles for the pilot.[22] On December 4, 2020, Desmin Borges joined cast in recurring role.[23] On December 30, 2020, Jason MacDonald joined cast in recurring role.[24]

Production of the pilot began in March 2020, but production was shut down after a single day of filming due to the early days of the COVID-19 pandemic. Using the footage that had been filmed, a ten-minute presentation was created and was used to sell the series to FOX and secure a series order.[25][26] In December 2020, it was reported that filming had commenced on the episode order.[23]

The review aggregator website Rotten Tomatoes reported a 60% approval rating with an average rating of 6.5/10, based on 10 critic reviews. The website's critics consensus reads, "This Americanized reimagining of a British sitcom doesn't make the funniest of first impressions, but its small town scruff is endearing enough to merit sticking around and giving it a chance."[29] Metacritic, which uses a weighted average, assigned a score of 58 out of 100 based on 9 critics, indicating "mixed or average reviews".[30]