The actor Tom Cruise recently erupted at crew members on the set of “Mission: Impossible 7” over a breach of Covid-19 protocols in an apparent effort to prevent further disruptions to a film whose production has already been delayed by the pandemic. And if you don’t do it, you’re fired!” Mr. Cruise apparently became enraged after spotting two crew members standing together at a computer screen, in violation of an on-set rule requiring people to stand about six feet apart, The Sun reported. 