Kevin Spacey Channels Johnny Carson on Late Night 5.11K Whitney Jefferson 01/05/11 01:28PM Filed to: Late Night Late Night Kevin Spacey Jimmy Fallon johnny carson TV Video Here's a bit of Late Night history: Johnny Carson did the first 10 years of the Tonight Show in the current Late Night studio. So, Kevin Spacey took over Fallon's seat and did his best impression of the late host.