days. >> reporter: altogether his movies brought in more than $2 billion worldwide and he's worth an estimated $75 million. now he's taking on tv, drawing a lot of attention for his role in hbo's "true detective." >> i ain't stupid. >> reporter: mcconaughey is taking endorsements to the left level starring in this dolce and gabbana ad and pushing his own line of clothes named after his motto. >> you just got to keep living, man. >> reporter: part of the clothing sales go to his just keep living foundation, a nonprofit pushing high schoolers to lead healthy, active lives. he's also an advocate for animals rescues dozens of stranded pets after hurricane katrina. >> come on. >> reporter: later this year the leading man will star in the christopher nolan film "interstellar". he says his career is just heating up. >> i'm 12i8 on the approach. >> reporter: the business of being matthew mcconaughey is -- >> all right, all right, all right. >> tomorrow night's episode will