- Writer:
- Arthur Hailey
- Designer:
- Fanny Taylor
- Producer:
- Eric Tayler
- Male Laboratory Orderly:
- Mark Heath
- Surgical Resident:
- Errol MacKinnon
- Surgical Intern:
- Don Gilliland
- Dr. Joseph Pearson:
- Albert Dekker
- Administrator's:
- Maxine Holden
- Dr. Lucy Grainger:
- Jane Barrett
- Dr. Kent O'Donnell:
- John Longden
- Dr. Charles Dornberger:
- Alan Gifford
- Dr. Roger Brown:
- Victor Chenet
- Dr. William Rufus:
- Larry Cross
- Carl Bannister:
- George Margo
- John Alexander:
- Lloyd Reckord
- Administrator:
- Gordon Sterne
- Elizabeth Alexander:
- Isabelle Lucas
- Dr. David Coleman:
- William Sylvester
- Diane Hughson:
- Patty Thorne
- Operating Theatre Charge Nurse:
- Rosa Alba
- Operating Theatre Charge Nurse:
- Alene Daniels
- Operating Theatre Charge Nurse:
- Diana Johnson
- Ward Nurse:
- Pearl Prescod
- Nursery Charge Nurse:
- Edna Dors
- Probationer in nursery:
- Nancy Bacal
- Hilda Straughan, Chief Dietician:
- Brenda Dunrich
- Dr. Chandler:
- Gaylord Cavallaro
- Kitchen worker:
- Charles Stanley
- Public Health Insp:
- George Cross
- Other parts played by:
- Nancy Adams
- Other parts played by:
- Beth Arno
- Other parts played by:
- Esme Bidlake
- Other parts played by:
- Roger Boston
- Other parts played by:
- Joanna Clarke
- Other parts played by:
- Phyllis Courtney
- Other parts played by:
- Bill Clothier
- Other parts played by:
- Tom Cubitt
- Other parts played by:
- Harry Gunn
- Other parts played by:
- Peter Hunt
- Other parts played by:
- Norma Oliver
- Other parts played by:
- Penelope Pasmore
- Other parts played by:
- Janet Rowsell
- Other parts played by:
- Gina Shiel
- Other parts played by:
- Pat Sinclair
- Other parts played by:
- Nicholas Tannar
- Other parts played by:
- Alan Welch
- Other parts played by:
- Lyn Wilkie