30 Seconds To Mars( or Thirty Seconds To Mars) is a rock band from Los Angeles, California, featuring actor Jared Leto as the lead vocalist, guitarist & songwriter. Jared Leto-lead vocals, rhythm guitar, keyboard/synth, (sometimes lead guitar or bass), Tomo Milissevits- lead guitar, violin, keyboard/synth), Shannon Leto- drums, percussion, Tim Kelleher-bass, synth.
