Alex Collins. Actor: Stargirl. Alex Collins is an actor most recently known for his portrayal of Dr. Charles McNider/Dr. MidNite on DC's hit series Stargirl on the CW. Other credits include a recurring role as Crane on the HBO series Lovecraft Country and Max Green in the Oscar-nominated film Richard Jewell. He has also been seen in Sleepy Hollow, Cobra Kai, True Detective, The Gifted and TURN: Washington's Spies, to...