The adaptation most likely to portray Hamlet as worried and thoughtful is:
The actor playing Hamlet **speaks slowly and deliberately, weighing the meaning of every word as he goes along**.
This approach suggests careful consideration and introspection, which aligns with Hamlet's internal conflict and deep contemplation in this soliloquy. Hamlet is pondering profound existential questions, weighing the consequences of life and death. Speaking slowly and deliberately demonstrates a thoughtful and reflective demeanor, enhancing the sense of Hamlet's internal struggle.