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

  • Box and Cox (1967) at the Derby Playhouse. This was a curtain raiser to The Bells.

  • 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