Fans are eagerly waiting for the next season of BBC's popular long-running science-fiction series "Doctor Who." However, they have some good news to look forward to as "Doctor Who" actor has joined the spin-off series titled "Class," which is currently in production.

Marc played the character of Futurekind Chieftain in one of the episodes of "Doctor Who" and has also appeared in other "Doctor Who" spin-off series, namely "Torchwood" and "Sarah Jane Adventures." He played the Cowled Ghost in "Torchwood" and the villain Trickster in "Sarah Jane Adventures."

The details of Marc's role have not yet been revealed. However, Cultbox has confirmed that he will appear in more than one episodes of "Class." Currently, Marc is the only actor who has appeared in "Doctor Who" as well as all of its spin-offs.

According to Cinema Blend, besides "Doctor Who," Marc has also appeared in several other TV series like "Silent Witness" and "EastEnders." He had a remarkable role in the movie "Son of God" and has played a Biblical character in another TV series "The Bible."

The Guardian has reported that Peter Capaldi, who plays the twelfth and current Doctor in the series, may also appear in "Class." However, the actor hasn't confirmed whether he will join the cast or not.

BBC has posted a teaser of the series that reads:

"Time has looked at your faces now. And time never forgets..."
What if your planet was massacred and you were the sole survivor?
What if a legendary figure out of space and time found you a place to hide?
But what if the things that want to kill you have tracked you down?
And worst of all, what if you haven't studied for your A-Levels...?

"Class" will explore the adventures of four students of Coal Hill School, London, who have "hidden secrets and desires."

Inquisitr has stated that the primary cast of "Class" consists of newcomers Fady Elsayed, Sophie Hopkins, Greg Austin and Vivian Oprah. Katherine Kelly of "Happy Valley" fame will play their teacher. Steven Moffat, who has produced several prominent TV series, including "Doctor Who" and "Sherlock," will also serve as the producer of the "Class." 

The exact air date of "Class" has not been announced yet, but it is expected to premiere in the second half of 2016. Besides airing on BBC Three in the U.K., the series will also be broadcast on BBC One or BBC Two, while it will be aired in America on BBC America.