On #32 it's worth noting that Anzai Chika who plays Chisato, Hanabi and Reina does not play Mirai or Hime. The former is played by Taneda Risa and the latter by Takahashi Rie. Didn't actually count my points but I think I missed about eight of them.
In these three cases, they are the same voice but in their young or child version (Aki young, Bachira young and Misaki child). In their adult version they have different voice actors.
I like to think I know voice actors well (32/50) 1. Correct 2. Correct 3. Incorrect 4. Correct 5. Correct 6. Incorrect (I cant believe I got Kana Hanazawa wrong) 7. Correct 8. Correct 9. Correct (Natsuki Hanae's my GOAT, I was surprised at Odokawa's voice for sounding way deeper than Tanjiro and Shinpei's) 10. Incorrect 11. Incorrect 12. Correct 13. Correct (Rie Takahashi is one of my favorite female voice actors, I would have been devistated if I got this wrong) 14. Incorrect 15. Incorrect 16. Correct (Like Takahashi, I love Sora Amamiya. All that's left is Akari Kitou) 17. Correct 18. Correct 19. Correct 20. Correct 21. Correct 22. Correct 23. Incorrect 24. Correct 25. Correct 26. Incorrect 27. Incorrect 28. Incorrect 29. Correct 30. Correct 31. Incorrect 32. Incorrect 33. Incorrect (This caught me off guard since she didn't sound like Rias) 34. Correct 35. Correct 36. Correct 37. Correct 38. Incorrect 39. Correct (Theres my other favorite Female voice actor, Akari Kitou) 40. Incorrect 41. Correct 42. Correct 43. Incorrect 44. Correct (I'm not getting anything relating to Call of the Night wrong) 45. Correct 46. Incorrect 47. Correct 48. Incorrect 49. Correct 50. Correct