can you mention any characters from this episode?
Lord Eddard Stark, Tyrion Lannister, Catelyn Stark
Introduction
The events of the episode primarily deal with Lord Eddard Stark's investigations into the death of the previous Hand. In the city of King's Landing, the Tourney of the Hand comes to an end while the various factions that plot for power are revealed to the viewer. This delicate balance is undone when news arrives that Tyrion Lannister has been arrested by Catelyn Stark. The title of the episode refers to the fact that the Starks, whose sigil is a wolf, may soon be at war with the Lannisters, whose sigil is the lion.

the wolf and the lion game of thrones episode Fifth episode
Lord Eddard Stark, Tyrion Lannister, Tyrion Lannister, etc. Eddard Stark, Tyrion Lannister, Catelyn Stark Lord Eddard Stark, Tyrion Lannister, Catelyn Stark, to name a few.
The Wolf and the Lion The Wolf and the Lion The Wolf and the Lion
Introduction Introduction Introduction
The events of the episode primarily deal with Lord Eddard Stark's investigations into the death of the previous Hand. In the city of King's Landing, the Tourney of the Hand comes to an end while the various factions that plot for power are revealed to the viewer. This delicate balance is undone when news arrives that Tyrion Lannister has been arrested by Catelyn Stark. The title of the episode refers to the fact that the Starks, whose sigil is a wolf, may soon be at war with the Lannisters, whose sigil is the lion. The events of the episode primarily deal with Lord Eddard Stark's investigations into the death of the previous Hand. In the city of King's Landing, the Tourney of the Hand comes to an end while the various factions that plot for power are revealed to the viewer. This delicate balance is undone when news arrives that Tyrion Lannister has been arrested by Catelyn Stark. The title of the episode refers to the fact that the Starks, whose sigil is a wolf, may soon be at war with the Lannisters, whose sigil is the lion. The events of the episode primarily deal with Lord Eddard Stark's investigations into the death of the previous Hand. In the city of King's Landing, the Tourney of the Hand comes to an end while the various factions that plot for power are revealed to the viewer. This delicate balance is undone when news arrives that Tyrion Lannister has been arrested by Catelyn Stark. The title of the episode refers to the fact that the Starks, whose sigil is a wolf, may soon be at war with the Lannisters, whose sigil is the lion.
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The Wolf and the Lion [SEP] Introduction
The title of the episode refers to the fact that the Starks, whose sigil is a wolf, may soon be at war with the Lannisters, whose sigil is the lion. With this episode the season hits its halfway mark and the action picks up considerably. Despite being a topic of discussion at King's Landing, Daenerys and Jorah Mormont do not themselves appear in this episode. Jon Snow and all characters on the Wall are also absent, and Robb Stark does not appear in Winterfell scenes. Accordingly, Emilia Clarke, Iain Glen, Harry Lloyd, Richard Madden and Kit Harington all have their names omitted from the opening titles.