Kenneth Mitchell, Known for ‘Star Trek’ and ‘Captain Marvel’ Roles, Dies at 49

Kenneth Mitchell, a Canadian actor known for his roles on the series “Star Trek: Discovery” and the film “Captain Marvel,” died on Saturday. He was 49.

He had lived with the neurological disorder amyotrophic lateral sclerosis, or A.L.S., which causes paralysis and death, for more than five years, according to a statement from Mr. Mitchell’s family posted to his social media.

In “Captain Marvel,” he played the father of the superhero, Carol Danvers. He was also known for portraying Eric Green on the series “Jericho,” Joshua Dodd in the series “Nancy Drew,” a hockey player in the film “Miracle,” and appeared in several other film and television series.