Which 'Friends' character is an actor who stars on 'Days of Our Lives'?

In which city is the sitcom 'Friends' set? What is the name of the coffee shop in 'Friends'? Which 'Friends' character is a paleontologist? Which 'Friends' character works as a chef? Which 'Friends' character sings "Smelly Cat"? Who played Rachel Green in 'Friends'? Who played Chandler Bing in 'Friends'? Who played Ross Geller in 'Friends'?