Conversation so far:
what were some of Ed McMahon's other roles?
Since 1973, Ed McMahon served as co-host of the long-running live annual Labor Day weekend event of the Jerry Lewis MDA Telethon.
where was the live annual Labor Day weekend event of the Jerry Lewis MDA Telethon with Ed McMahon?
how many years wasEd McMahon a part of the the live annual Labor Day weekend event of the Jerry Lewis MDA Telethon?
His 41st and final appearance on that show was in 2008, making him second only to Jerry Lewis himself in number.
how did Ed McMahon become involved in the telethon?
Ed McMahon used his long association with brewer Anheuser-Busch to bring them aboard as one of the largest corporate donors to the Muscular Dystrophy Association.
was Ed McMahon involved in any other roles besides host of the live annual Labor Day weekend event of the Jerry Lewis MDA Telethon?
In 1967, Ed McMahon had a role in the film The Incident and appeared on The Mitzi Gaynor Christmas Show.

Question: did he act on these appearances?
Self-contained rewrite: did Ed McMahon act on these appearances on The Incident or The Mitzi Gaynor Christmas Show?