Use the fictional film premise to understand the voice
Disney’s Lightyear announcement explains the director’s starting question: which film inspired Andy to want a Buzz Lightyear toy? The space adventure is that imagined film. Its Buzz is the hero behind the toy’s identity. This frame explains why choosing Lightyear is a different viewing decision from continuing the numbered stories about toys in a child’s room.
Match the performer to the exact work
Pixar identifies Chris Evans as the Space Ranger’s voice in Lightyear. Disney’s Toy Story 5 credits identify Tim Allen as Buzz. The difference should not automatically be interpreted as Allen having been replaced throughout the Toy Story series. When checking an English voice credit, retain the full film title and year rather than searching only the character name.
Do not place the space adventure between toy chapters by release date
A simple release-year list can put Lightyear between two numbered Toy Story films without explaining its premise. If the aim is following the toys’ changing household and relationships, distinguish that sequence from the fictional space film that supplies their character’s backstory. Watching one first does not turn its story into the next numbered chapter of the other sequence.
Keep regional cameo credits in their own scope
Disney’s UK Toy Story 5 announcement separately identifies Jordan North as Garden Gnome and Sian Welby as Inflatable Flamingo in the UK version. Those local cameos are another reason cast lists can differ while the central Buzz credit remains Tim Allen. Check the actual language and edition before using an apparent cast-list mismatch as evidence that the wrong film has been selected.
Questions, answered
Does Chris Evans’s Lightyear credit mean Tim Allen stopped voicing Toy Story’s Buzz?
No. Disney credits Tim Allen as Buzz in Toy Story 5.
Is Lightyear a numbered Toy Story chapter?
Its documented premise is the space film that inspired Andy’s toy, a different storytelling frame.