‘The Paper,’ a new spin-off of ‘The Office,’ premieres on Peacock on Sept. 4. Domhnall Gleeson tells ET he took the lead role after conversations with John Krasinski and Steve Carell. Sabrina Impacciatore of ‘The White Lotus’ co-stars alongside Chelsea Frei, Melvin Gregg, Gbemisola Ikumelo, Alex Edelman, Ramona Young, Tim Key and Oscar Nuñez, who’s reprising his role from the American series.