1. Kristin Shepard (Dallas), Colleen Camp to Mary Crosby. 2. Melissa Agretti (Falcon Crest) Dolores Cantu to Ana Alicia. 3. Adam Carrington (Dynasty) Gordon Thompson to Robin Sachs. 4. Steven Carrington (Dynasty) Al Corley to Jack Coleman. 5. Gary Ewing (Dallas) David Ackroyd to Ted Shackleford. This was difficult since I prefer the original actor in most cases.