After reports that star Lindsay Lohan suffered exhaustion and dehydration and that two of its crew visited the hospital for the same reason, the Lifetime movie "Liz & Dick" is being investigated by two Hollywood unions, according to The Hollywood Reporter.

As previously reported, two crew members left the production over the weekend after suffering from exhaustion, with reports that the crew has been working 20 hours or more a day.

Lohan, who was said to be suffering from exhaustion as well, tweeted that she had worked 85 hours in four days, the story notes.

SAG-AFTRA said it is "looking into this matter," but couldn’t provide any verified information. IATSE, the union that represents movie and TV crew members, declined to comment, although the article notes that its business agents are looking into the crew’s long hours.

Producer Larry Thompson said, "We have not been contacted by anyone at SAG-AFTRA about any complaint … (nor) by anyone at IATSE about any investigation.”

The production is in "total compliance with all Guild regulations on ‘Liz & Dick,’” he added.