As 'The Bullshitters: Roll Out the Gunbarrel' is not an identifiable film by director Stephen Frears, its portrayal of LGBTQ+ characters and themes cannot be evaluated. No information is available to assess any depiction.

The film "The Bullshitters: Roll Out the Gunbarrel" does not feature any identifiable transsexual characters or themes. Therefore, it has no direct portrayal to evaluate within the given framework.

The movie does not contain any action or adventure elements.

This film is an original, independent production, not an adaptation of pre-existing material with widely established characters. There is no information to suggest any character was canonically established as one gender in prior installments or source material and then portrayed as a different gender in this film.

The film is a parody featuring original characters created for the sketch, not direct adaptations of pre-existing characters with established races. The actors' races align with the archetypes being parodied, and no character's race was altered from a prior canonical depiction.