- Unknown:
- Eugene O'Neill
- Produced By:
- Cleland Finn
- Bill Carmody:
- Tony Quinn
- Mary:
- Denise Bryer
- D Gaynor:
- Gordon Tanner
- Fred Nicholls:
- Gaylord Cavallaro
- Eileen:
- Jean McDonald
- Miss Howard:
- Mavis Villiers
- Miss Gilpin:
- Tucker McGuire
- Stephen Murray:
- David Peel
- Dr Stanton:
- Philip Vickers
- Mr Stoan:
- Stuart Nichol
- Peters:
- Raymond Byrnes
- Mrs Turner:
- Gwen Day Burroughs
- Miss Bailey:
- Barbara Todd
- Mrs Abner:
- Natalie Lynn
- Flynn:
- Barry Lowe
- Mrs Brennan:
- Vivienne Chatterton
