He and Eddie Griffin led the sitcom Malcolm & Eddie from 1996 to 2000, and Warner was also well known for his role as Alex Reed on Reed Between the Lines, which he starred in alongside Tracee Ellis Ross from 2011 to 2015. More recently, Warner had starred in Major Crimes as Chuck Cooper, as Julius Rowe in Suits and as AJ Austin in The Resident .

Mr. Warner, who played the only son of Bill Cosby’s character on the beloved 1980s sitcom, drowned in Costa Rica.