Complex sentence: Wilder has not acted in a theatrically released film since, although he has starred in two murder mysteries and appeared as the Mock Turtle in an adaptation of Alice in Wonderland (1999 film), all television films.
Split into simpler sentences: Wilder has not acted in a theatrically released film since. Although he has starred in two murder mysteries and appeared as the Mock Turtle in an adaptation of Alice in Wonderland (1999 film), all television films.