Sergeant Preston of the Yukon, a classic adventure series from the 1950s, does not include any identifiable LGBTQ+ characters or themes. The narrative focuses on traditional crime-solving and adventure in the Yukon, consistent with the era's typical television content, resulting in no LGBTQ+ portrayal.

The film "Sergeant Preston of the Yukon" (1955), an adventure series from the mid-20th century, does not feature any identifiable transsexual characters or themes within its narrative. Therefore, its net impact on the portrayal of transsexual individuals is N/A.

The movie does not contain any action or adventure elements.

The 1955 television series "Sergeant Preston of the Yukon" faithfully adapted its lead character, Sergeant Preston, from the prior radio series as male. No established characters from the source material underwent a gender change in this adaptation.

The 1955 television series adapted the radio show character Sergeant Preston, who was consistently portrayed by a white actor, Richard Simmons. There is no evidence of any canonically established character being portrayed by an actor of a different race.