Venu started his career in theatre. His acting skills were showcased in Bharathan's 'Aaravam', Padmarajan's 'Oridathoru Phayalvan' and Mohan's 'Vidaparayum Munpe'. He won the Best Actor award at the Zimbabwe International Film Festival, for his performance in 'Saira' . He won the State Film Award for best actor for 'Oru Minnaminuginte Nurungu Vettom' & 'Margam', National Award for Best Supporting Actor for 'His Highness Abdullah' and Special Jury Award for 'Margam'.