Rebecca Sutter
Occupation: Unknown
Marital status: Single
Spouse(s): None
Other Relationships: John Ross Ewing (one-night stand)
Parent(s): Unknown
Sibling(s): Tommy Sutter (deceased)
Children: None
Other relatives: Uncle Fred
Played by: Alex McKenna
Rebecca "Becky" Sutter is the real sister of Tommy Sutter. She was referred to as Becky Sutter by Christopher Ewing. She came to Dallas by request of Christopher Ewing to help with his annulment and to also find her brother Tommy. She was later murdered by Frank Ashkani (off-screen).