The filming on the final season of "Mad Men" is currently in progress. There were reports that two episodes of "Mad Men" Season 7 -- which will be aired in two instalments of 7-episodes -- have already been filmed. However, cast-members are not sure how the final season is likely to end.

Christina Hendricks, who plays the character of Joan, said to Toronto Star: "Every time a new script arrives we just fall on it and tear it apart looking for clues as to where our characters are going to wind up."

She said that her co-actors are not aware about the ending of the final season. However, she indicated that the season is "crazy" and "mad." The actress also ruled out the possibility of her becoming the head of Sterling Cooper & Partners. Hendricks reminded that "at the end of the day, don't forget that it's still called Mad Men."

In a brief spoiler, E! Online revealed that there will be more hippies than the suave Don Draper can handle in the upcoming final season. Earlier, E! Online had spotted Jon Hamm, without his underwear, walking around the set of "Mad Men" in Los Angeles. The actor, 42, "opted to skip his underwear for this particular wardrobe choice and scene," according to E! Online's report.

It is yet confirmed whether James Wolk will return in the final season to reprise his role of Ben Benson. "If they want me (back on "Mad Men"), we can certainly try to make something happen," said the actor, as quoted by TODAY.com. "It's in their hands. But I loved working on ("Mad Men") and I'd love to be back there."

The first installment of seven episodes of "Mad Men" Season 7 is scheduled to air in 2014, while the second installment with seven episodes is set to air in 2015. It will be interesting to watch how Don Draper makes his way back inside the agency, as he was forced to go on a leave in the final episode of "Mad Men" Season 6 and Peggy made herself comfortable in his chair.