Impressed you finished Malone, I've done the top right but otherwise lots of gaps.
Think I've got these but can't parse them.
41d One's spelling more dire penning doc's last letter (9)
Sorceress? Where's the 'more dire'?
45d Speculative buyer introduced United players here? (2,5)
On stage? I see the definition but not the rest.
49d Eminence Cromwell's given after king (5)
Knoll. What's Cromwell got to do with 'noll'?