Naomi Watts' husband Liev Schreiber comforted an injured woman outside his Los Angeles home on Saturday until help arrived.

The actor was driving through town on his moped scooter when he spotted a lady in an orange sweatshirt lying in the middle of the street.

Schreiber hopped off the vehicle and helped another good samaritan lift the woman out of harm's way, before flagging down a police officer and waiting at the scene for emergency service officials to arrive.

The 45 year old's good deed was captured in photographs obtained by