Instruction:
Here's a list of the key characters in the TV Series Picard who also appeared in another Star Trek franchise series': Jean-Luc Picard, Data, Seven of Nine, Deanna Troi, William Riker, Q, Borg Queen, and Wesley Crusher.

List the characters, sorted by the original series in which they appeared.

Response:
All of the characters first appeared on either The Next Generation or Voyager.
The Next Generation: Jean-Luc Picard, Data, Deanna Troi, William Riker, Q, and Wesley Crusher.
Voyager: Seven of Nine and Borg Queen