1960s

  • Savonarola Brown (1960) as Savonarola Brown at the Royal Festival Hall, South Bank, London

  • Measure for Measure (1962) as Angelo with Judi Dench as Isabella (Royal Shakespeare Company production) at Royal Shakespeare Theatre, Stratford

  • A Penny for a Song (1962) as Sir Timothy Bellboys with Judi Dench as Dorcas Bellboys (Royal Shakespeare Company production) at the Aldwych Theatre, London

  • Ménage à Trois (1963) as Charles with Phyllis Calvert at the Lyric Theatre, London

  • King Arthur (Opera) (1963) as The Narrator at the Victoria and Albert Museum, London

  • Oedipus Rex (Oratorio) (1963) as The Narrator at the Royal Festival Hall, South Bank, London

  • The Poker Session (1963-1964) as Teddy at the Gate Theatre, Dublin in the Dublin Theatre Festival (1963) and Globe Theatre, London (1964). Marius played Teddy in the premiere production in Dublin

  • The Apple Cart (1965) as King Magnus with Barbara Murray at the Cambridge Arts Theatre, the Opera House, Manchester, the New Wimbledon Theatre, Theatre Royal, Brighton and The Golders Green Hippodrome

  • The Devil's Disciple (1965) as General Burgoyne with Ian Bannen at the Yvonne Arnaud Theatre, Guildford

  • The Bells (1967-1968) as Mathias at the Derby Playhouse, Alexandra Theatre, Birmingham, Grand Theatre, Leeds and Vaudeville Theatre, London. He also directed it in its Birmingham, Leeds and London productions

  • Married Bliss (1968) at the Alexandra Theatre, Birmingham and Grand Theatre, Leeds. Marius directed this play only and did not act in it. This was curtain raiser to The Bells

  • Lend Me Five Shillings (1968) as Mr Golighty. He also directed it in its production at the Vaudeville Theatre, London. This was curtain raiser to The Bells

  • The Demonstration (1969) as Professor Bright at the Nottingham Playhouse