Misc: By what name, is the entertainment business, is Victoria Adams better known?

Questions

Who played the title role in the TV series "Yes, Minister"?

Which creatures breathe out through a "blow hole"?

Tommy and Bobby are the first names of which TV comedy duo?

Which actor had a surprise chart-topper with "If" in 1975?

Which former Beatle narrated the adventures of "Thomas the Tank Engine"?