Con artists and prosecutors fighting together for the greater good.
While Player focuses on action and swindling, Switch focuses on swindling and the prosecution.

Both feature the psychological aspect of solving and commiting crimes.
Both main antagonists are seriel killer.
The story and plot are really different though, so it's still refreshing to watch :)

While the storyline is different, the dramas give off the same vibes.

Both feature foresight/changing reality
Both have a touch of mystery, action and romance
Both have Lee Jong Suk starring as the male lead

Both are medical dramas with great surgeons as leads.
While yong pal focuses on the power imbalance between rich and poor and intrigue, romantic doctor conveys ideals and diverse interactions be ween characters

Both are medical dramas in which the main character is a mysterious surgeon who has unconventional ideas about doctors.
Both have a bit action but focus on surgery etc.
While doctor stranger also focuses on the main characters love interest, romantic doctor focuses on ethics and interactions of the characters.

Both are medical dramas in which the main character is a genius surgeon and treats gangsters to earn more money
While doctor stranger is about a north korean defector and his love interest, yong pal focuses on the difference between rich and poor and intrigue.

While the motivation of the leads is different the themes are similar. Both dramas cover the fight against corruption, romance and action scenes.
While city hunter is mostly about revenge healer is about the mysteries of the past.
The main characters are quite different but both hide their true self, are trained in martial arts and have fake identities.
The lead actress is the same, though I think her performance in healer is way better then in city hunter.

The drama plays during the Meiji era, 26 years after the incidents in the movies take place. In contrast to the movie the drama focuses on society and dreams of a young man. However it is just as well made concerning individual characters and their way of life. Additionally Sato Takeru is starring as lead actor in both mediums.

Rurouni Kenshin: Kyoto Inferno (kyoto Taika hen) is the sequel to Rurouni Kenshin. It features the main characters and introduces Battousai's successor Shishio who tries to take over Japan. Can Kenshin beat Shishio while keeping Battousai at bay?