Bowlers who forced batsmen to retire hurt most often in Tests between 1 October 1974 and 10 March 1995. Source: Letting RIP by Simon Wilde. Hadlee had his share of victims - the same number as Lillee and Thomson put together.
7 - Marshall
6 - Croft, Walsh, Willis
5 - Hadlee, Roberts
4 - McDermott
3 - Botham, Garner, Thomson
2 - Alderman, Ambrose, Azeem Hafeez, Sylvester Clarke, Winston Davis, Holding, Lillee, Mohsin Kamal, Pascoe
1 - Mohinder Amarnath, Angel, Winston Benjamin, Bishop, Collinge, Dilley, Donald, Holder, Imran, Kapil Dev, Lawson, Peter Lever, Chris Lewis, Malcolm, Morrison, Moseley, Rumesh Ratnayake, Bruce Reid, Sarfraz Nawaz, Srinath, Waqar, Wasim Akram