Kidder was cast because Donner, the Salkind dynastics, and Spengler agreed that her performance had a certain spark and vitality--and also because of her strong interaction with Christopher Reeve.
Kidder was cast because Donner. Her performance had a certain spark with Christopher Reeve. This was what Spengler agreed. Her performance had vitality--and also because of her strong interaction with Christopher Reeve. This was what Spengler agreed.