- Jon Voight
- A
- Seymour Cassel
- Leonard II
- Robert Duvall
- Despard
- Collin Wilcox Paxton
- Ann
- Jennifer Salt
- Helen Peret
- Alexandra Berlin
- Nurse
- Warren Stanhope
- 'A's Father
- Earl Cameron
- Speaker
- Julie Garfield
- Girl
- Alan Tilvern
- Sid
- Lionel Murton
- The Professor
- Bill Nagy
- Gansard
- Kenneth J. Warren
- Sergeant
- Richard Pendrey
- N.C.O. officer
- Julian Close
- Bit Part
- Henry Gilbert
- Bit Part
- Constantine Gregory
- (as Constantin De Goguel)
- Tommy Duggan
- Man Guest
- Reg Cornish
- Judge
- Libby Glenn
- Mrs. Peret
- Bruce Boa
- Guest at Party
- Jeffrey Jones
- Red-Haired Radical Committee Member
- Reed De Rouen
- Mayor
- James Dyrenforth
- Guest at Party
- Roy Beck
- Student activist
- Tucker McGuire
- Lady Guest
- Mary Barclay
- 'A's Mother
- Pauline Chamberlain
- Protestor
- Harry Fielder
- Man in Pub
