New details surrounding the death of 'Cosby Show' star Malcolm-Jamal Warner have emerged. The Red Cross in Costa Rica says first responders also treated a second swimmer in the drowning that led to the actor's death.

The Cosby Show star Malcolm-Jamal Warner was reportedly swimming with his eight-year-old daughter when he drowned, Costa Rican authorities have said.

Malcolm-Jamal Warner's cause of death has been released by police. The actor, who is best known for his role as Theo Huxtable in the hit TV sitcom "The Cosby Show," died on Sunday off the coast of Costa Rica after a drowning, Costa Rican National Police told ABC News. He was 54.