‘This Is Us’ Stars Mandy Moore and Justin Hartley to Co-Host ‘Red Nose Day Special’ on NBC

Mandy Moore and Justin Hartley from "This Is Us" will host NBC's "Red Nose Day…

WATCH: ‘Last Week Tonight’s’ Salmon Cannon Attack on ‘Y&R’s’ Sharon Newman During Dramatic Scene

"Last Week Tonight with John Oliver" has been entertaining millions of late night talk show…