Annie (Lenora Crichlow) remains, now joined by werewolf Tom (Michael Socha) and suave, upper-class vampire Hal (Damien Molony).
We got a taste of Tom last year, but for your first glimpse at Hal, take a look at the brand new Being Human series four prequel below - it's 1955 and our new resident blood-sucker shares a tense confrontation with lupine captive Leo...
Being Human will return to BBC Three with fourth series premiere 'Eve Of The War'.
> Being Human series four new cast unveiled - pictures
Watch the brand new Being Human series four prequel below: