There is no difference precisely because the disciples were Jewish. But the disciples were considered to be the first Christians because they believed that Jesus was the Son of God whereas the majority of Jews did not hold this belief.
the disciples
The main difference between Messianic Jews and other Jews is that Messianic Jews is a merger between evangelical Christianity with elements of Judaism. It is a new religion, developed in the 1960's.
Yes, they were all jews.
Christians believe that the Messiah Has Come. Jews believe that He Has not.
They were Jews.
Jews are Jewish and non-Jews are a different religion.
you tell me you asked it
Romans were polytheists while Jews were (and still are) monotheists.
The Jews
Orthodox Jews abide by the commands of the Torah and the Oral Torah (Talmud).
Andrew and peter his brother were jews.
They were Jews. They were called: "Disciples/Apostles"!