Times Cryptic

[creamegg]

3d agent needs to mingle to succeed
r?p???e

15d row about heroine and crack's comparatively sparing
t??????ier

18d you reflected bilingually, interrupting the ladies sleep
????e?e

20d forces taking a turn, discussions announced
t???u??

23d hurl back what adolf's mate brought up
??a??

[Neveracrossword]

18. Shuteye

[Neveracrossword]

20 Torques,forces - sounds like Talks(allegedly).

[Lie-in King]

3d Rep-lace
15d Thriftier - 'tier' (row, about) 'h(eroin) + rift'
18d Shuteye - 'ye + tu' ("you", bilingually, up, in) 'she'
20d Torques - "talks" (discussions, announced)
23d Heave - 'eh' (what[?], back) + 'Eva (Braun)' (up)

[brainiac]

Replace; thriftier; shuteye; torques; heave

[Neveracrossword]

23 Heave- hurl. Eva,Hitler's mate and Eh/ what, reversed.

[creamegg]

thanks x