For anyone reversing Unreal Engine games (UE4 / UE5):

1. Find GWorld pointer (offset varies per build, look for strings "World %s" in .rdata).
2. UWorld->PersistentLevel at offset 0x30.
3. ULevel->Actors array is an array of AActor* pointers (TArray<AActor*> at offset 0x98):

uintptr_t persistentLevel = Read<uintptr_t>(gWorld + 0x30);
uintptr_t actorArray = Read<uintptr_t>(persistentLevel + 0x98);
int actorCount = Read<int>(persistentLevel + 0xA0);

for (int i = 0; i < actorCount; i++) {
    uintptr_t actor = Read<uintptr_t>(actorArray + (i * 8));
    if (!actor) continue;
    int actorId = Read<int>(actor + 0x18);
    // Match actorId in GNames pool...
}

Inside AActor, read RootComponent (offset 0x130 or 0x190) to get RelativeLocation (Vector3) and RelativeRotation (Rotator).

Clean UE hierarchy. GWorld pattern scanning with wildcards works reliably across minor engine revisions.