Actor Logan Marshall-Green has welcomed a son.

The Prometheus star's wife Diane gave birth to a boy named Tennessee Logan Marshall-Green last week (ends13Apr14).

As he shared snaps of the newborn on on Friday (11Apr14), Marshall-Green added, "Meet Tennessee Logan Marshall-Green."

The pictures included shots of his wife in labour and several close-ups of the tot.

The actor, who was previously in a relationship with Marisa Tomei, married his wife last year (13).