Warrnambool police want to speak to these people.
Peter Sinclair is 42-years-old. He has a medium build and is about 170 centimetres tall.
Sarah Madison is 31-years-old.
She has a medium build and is about 160 centimetres tall.
Zane Smith is 27-years-old.
He has a medium build and is about 175 centimetres tall.
Troy Lawson is 29-years-old.
He has a solid build and is about 175 centimetres tall.
Anyone with information on the whereabouts of these people is asked to contact Warrnambool police on 5560 1333 or Crime Stoppers on 1800 333 000.