TREKCORE > TAS > EPISODES > THE COUNTER-CLOCK INCIDENT > Guest Characters
 

	COMMODORE ROBERT APRIL PLAYED BY: James Doohan SPECIES: Human First captain of the U.S.S. Enterprise and Federation ambassador at large for the the past twenty years. Due to Starfleet's mandatory retirement age of seventy-five, Commodore April and his wife journeyed to Babel aboard the Enterprise, when the ship was pulled into an antimatter universe where time flowed backwards. With the crew degenerating into children, Commodore April degenerated into a young man and was able to pilot the Enterprise back into it's own universe and save the ship and crew.
	DR. SARAH APRIL PLAYED BY: Nichelle Nichols SPECIES: Human First Chief Medical Officer of the U.S.S. Enterprise. Dr. April, as a pioneer doctor in space invented many of the medical instruments used by Starfleet for years to come. She cared for the Enterprise crew when they degenerated into children during its stay in the antimatter universe.
	KARLA FIVE PLAYED BY: Nichelle Nichols SPECIES: Arretian An explorer from the planet Arret who accidentally found her way into our universe. When the Enterprise locked onto her ship with its tractor beam, she accidentally pulled the vessel back into her own universe. Knowing the Enterprise must return to its own universe, she sacrificed her ship so the Enterprise could attain the required speed to avoid being destroyed by the nova they had to travel through.
	KARL FOUR PLAYED BY: James Doohan SPECIES: Arretian Scientist from the planet Arret and Karla Five's son. As time flowed backwards in the antimatter universe, Karl Four appeared older than his mother, and much older than his grandfather.