angel.

Genesis 22:12, 16
"Do not lay a hand on the boy or do anything to him, " said the Angel, "for now I know that you fear God, since you have not withheld your only son from Me." . . .

Genesis 16:7, 9, 10
Now the Angel of the LORD found Hagar by a spring of water in the desert--the spring along the road to Shur. . . .

Genesis 21:17
Then God heard the voice of the boy, and the angel of God called to Hagar from heaven, "What is wrong, Hagar? Do not be afraid, for God has heard the voice of the boy where he lies.

Abraham.

Genesis 22:1
Some time later God tested Abraham and said to him, "Abraham!" "Here I am, " he answered.

Exodus 3:4
When the LORD saw that he had gone over to look, God called out to him from within the bush, "Moses, Moses!" "Here I am, " he answered.

1 Samuel 3:10
Then the LORD came and stood there, calling as before, "Samuel! Samuel!" And Samuel answered, "Speak, for Your servant is listening."

Acts 9:4
He fell to the ground and heard a voice say to him, "Saul, Saul, why do you persecute Me?"

Acts 26:14
We all fell to the ground, and I heard a voice say to me in Aramaic, 'Saul, Saul, why do you persecute Me? It is hard for you to kick against the goads.'