Channel 5 is heading back to the sunshine for its latest six-part mystery series Benidorm Is Murder, bringing together a mix of familiar TV faces for a new crime drama set in the famous Spanish resort. Much like other popular crime dramas, Benidorm Is Murder welcomes a rotating line-up of guest stars, with each new case bringing fresh characters into the story. Channel 5Related: Best streaming servicesEastEnders star Tamzin Outhwaite is one of the biggest names joining the cast of Benidorm Is Murder, with the actor taking on the role of Tiff, Dennis' ex-wife. Denise Welch is another familiar face making an appearance in the Channel 5 drama, playing a character called Ziggy. Benidorm Is Murder airs this Thursday (6 August) from 9pm on Channel 5.