Sink your teeth into the first batch of official promo pictures for the fourth series of Being Human below.

Cast featured from left to right, Griffin (Alex Griffin), Regus (Mark Williams), Hal (Damien Molony), Annie (Lenora Crichlow), Tom (Michael Socha), Cutler (Andrew Gower) and George (Russell Tovey).

Werewolf George (Russell Tovey) is looking a little rough.

Annie (Lenora Crichlow) is haunted.

New lead vampire, Hal, played by Damien Molony.

Werewolf Tom (Michael Socha) returns.

Has staking his best friend taken its toll on George?

Or has something happened to Nina?