Roles for the pair are under wraps.
This leads to a heartfelt exploration of ego, humility, and legacy.
Production commenced in Los Angeles earlier this month.
Michael McKean and Justin LongCourtesy; Getty
Up next, hell be seen starring in Clark Dukes comedic thrillerStrangleholdand indie horror picNight Patrol.
Coming up for him is a role inSpinal Tap II.
Both Long and McKean are repped by Independent Artist Group.
Long is also repped by Yorn, Levine, Barnes; McKean by Harriet Sternberg Management.