Who had a No. 1 hit in 1981 with "9 to 5"?

Which "Saturday Night Live" star's catchphrase as a cranky Gumby was "I'm Gumby, dammit!"? On which 1980s TV series did Bruce Willis and Cybill Shepherd play private detectives? Gorbachev's 1980s reforms included perestroika, or restructuring, and which Russian word for openness? Which actor played Snake Plissken in 1981's "Escape from New York" and 1996's "Escape from L.A."? "Watching the Wheels" was a posthumous 1981 hit for which singer? Joan Collins joined which prime-time soap opera in 1981 as the scheming Alexis? Complete the title of the 1981 western starring Amanda Plummer and Diane Lane: "Cattle Annie and ___". In which 1981 film does Ethel tell her husband "Come here, Norman, hurry up. The loons! They're welcoming us back"?