sentences:  Throughout "Life on Mars", the source of disagreements between Hunt and Sam Tyler are their differing policing methods.Such as, Hunt has been described as "not being scared of throwing a few punches to get a result", whereas both Tyler and Alex Drake are present day detectives who value forensic evidence and thorough investigative techniques rather than corruption and violence.John Simm, the actor who plays Sam Tyler, has stated that both his character and Hunt have a grudging respect for the other's approach to policing, as well as Hunt seeing much of his younger self in Tyler.