(CONT'D)—Continueds are used to show that the same character is speaking again, usually when two speeches are separated by Action. They are perfectly acceptable to use, but some writers prefer a cleaner page and turn them off.
NOTE: These continueds should not be confused with scene continueds that can appear at the top/bottom of every page when a scene is continuing. Scene continueds should not be used in a spec script but rather are used in shooting scripts (in production).
EXAMPLE:
INT. GRANNY ALTHEA'S CAFE - DAY
The diner is full to capacity. The Unshaven Man sits at the counter. Staring at the gold amulet in front of him, steaming coffee untouched.
WAITRESS
Anything else?
She leans in to try and look him in the eyes.
WAITRESS (CONT'D)
Sir, can I get you anything else?