Cast
| Mary Stuart | Jo Jones |
| Hannah Kennedy (Mary’s Nurse) | Jill Nielson |
| Sir Amias Paulet (Governor of Fotheringay) | Jim Brown |
| Sir Edward Mortimer (Paulet’s Nephew) | David Wendel |
| Lord Burleigh (Lord High Treasurer) | Dennis Learey |
| Queen Elizabeth | Mary Huggins |
| Count Aubespine (Ambassador from France) | James Bowlby |
| Bellievre (Emissary from Duke of Anjou) | Oscar Reeve |
| Talbot (Earl of Shrewsbury, Lord Privy Seal) | Bill Nichols |
| Earl of Kent (Earl Marshal) | Harry Jordan |
| Robert Dudley (Earl Leicester) | Dave Abbott |
| O’Kelly (Companion to Mortimer) | Brian Casement |
| Sir William Davison (Queen’s Secretary) | Doug Huggins |
| Sir Andrew Melvil (Friend of Mary) | Dave Robertson |
| Serving Maid | Sue Abbott |
| Page | Cori Greenberg |
| Captain of the Guard | George Remmington |
| Guards | Chris Bayne, Steve Stoecker, Pat De Shane, Barry Abraham |
| Drummer | Mark Bain |
| Musicians | Rena Stewart, Doug McClean, Dugald Perry |
| Musicians Directed by | Pamela Roberts |
Crew
| Set Design | Doug Huggins |
| Stage Manager | Brian Casement |
| ASM | Patrick Hickenbottom |
| Set Construction | George Siver, Bob Walker, Doug Huggins Wendy Stevens, Chris Bayne, Steve Stoecker, George Remmington, Lloyd English, Brian Casement |
| Costume Design | Heather Scott |
| Costume Construction | Heather Scott, Tami Burgess, Sandra Haslam, Mary Bowen, Sharon Wickstrom, Gabby Casement, Brenda Jemmeson, Sandy Fisher, Scotty Perry, Shirley Remmington, Sue Abbott, Ann Lemon, Ann Nevill, Penny Thorborn, Ailsa Edge |
| Lighting Design | Mike Huggins |
| Lighting | Peter Huggins, Kathy Kitcher |
| Properties | Wendy Stevens |
| Properties Construction | Lloyd English, Michael Grindler, Chris Cooper, Sound Bob Walker, Chris Bahrey |
| Make Up | Pam Roberts, Sandy Fisher |
| Hair | Sandy Pattullo |
| Box Office | Shirley Brown |
| House | Gabby Casement |
| Program | Tami Burgess |
| Publicity | Dorothy Walker |
| First Night | Shirley Remmington |
| Foyer Display | Scotty Perry |
| Refreshments | Malcolm Roberts |
| Final Night | Pat Berube, Sandy Fisher |
Awards
Powerhouse hosted the 1977 Okanagan Zone Drama Festival. MARY STUART was entered in the Okanagan Zone Festival and the BCDA (TheatreBC) provincial finals festival.
Cast
| Aladdin | Kathy Moore |
| Princess | Liz Walker |
| Prince | Otto Wickstrom |
| Ebenezer | Jim Brown |
| Eye-Oh-You | David Jones |
| Emperor | George Remmington |
| Advisor to Emperor | Chris Bayne |
| Viziera | Shirley Remmington |
| Advisoress to Viziera | Jill Nielson |
| Widow Twankey | Doug Huggins |
| Genie of the Lamp | Penny Thorburn |
| Genie of the Ring | Cory Greenberg |
| Astronomer | Steve Stoeker |
| Sorceress | Ivy Carmichael |
| Town Crier | Dave Robertson |
| Guards | Brian Casement, Claus Jahnke, Charity Bob Walker, Ann Neville |
| Village Women | Jill Nielson, Maureen Greenberg, Annette Reeves, Gabby Casement |
| Village Girls | Denise Murdoch, Sandy Fisher, Lesley Ramsdale, Pat Berube |
| Village Boys | Karen Goodall, Rosalie Martin, Cindy Clair, Monica Kominick |
| Fan Dancers | Tanya Anderson, Barbara Bailey, Maija Daughtry, Robin Estergaard, Cindy Graves, Katherine Kilback, Alana Kripps, Tina Michael, Leilani Smith, Lucy Wagner, Yvonne Wernicke |
| Ribbon Dancers | Letitia Bain, Pam Harding, Annette Hoffman, Letitia Lemon, Louise Prystay, Siona Rook |
| Fan Dancers and Ribbon Dancers are members of the Canadian School of Ballet, under the direction of Betty Farrally | |
| Gymnasts Coached by | Helen Glennie, Melanie Neufield, Barb Gannon |
| Pianist | Carl Watson |
| Percussion | Mark Orgel |
Crew
| Set Design | Doug Huggins |
| Stage Manager | John Maguire |
| ASM | Willem Roell |
| Properties | Penny Bayne and Pat Robertson |
| Costumes Creation | Val Redstone |
| Sound | Bob Wilson |
| Lighting Design | Michael Huggins |
| Lighting | Pete Huggins |
| Make Up | Scotty Perry |
| Special Effects | Rick Cordingley |
| Masks and Camel designed and created by | Sandra Watts |
| Costume Crew | Ailsa Edge, Tami Burgess, Gwen Learey, Chris Cooper, Sharon Wickstrom, Ann Lemon, Win Passmore, Norma McPhail |
| Sound | Wendy Martin, Paul Ekering, Chris Reeves |
| Lighting | Alastair Walker, Teri Robinson |
| Properties | Nancy Siver, Sandra Gallagher, Vera Marston, Fran King, Bonnie Goble, Kathy Manuel, Kathryn Jemmeson, Madeline Kineshanko, Shannon Rose |
| Make Up | Marie Millege, Lynn Snowball, Dagmar Maguire, Dennis Learey |
| Hair | Becky, Donna, Dorothy and Mike of Unicorn |
| Special Effects | Patrick Hickinbottom, Steve Yochim, Grace Theune, Mike Johnson |
| Set Construction | Doug Huggins, John Maguire, Bob Walker, George Siver, David Jones, Peter Jemmeson, Peter Reeves, Steve Stoeker, Chris Bayne, Jim Brown, Brian Casement, Willem Roell, Richard Weighill, Peter Strother |
| Box Office | Shirley Brown |
| House | Teri Robinson |
| Foyer | Kay Brooks and Brenda Jemmeson |
| First Night | Tami Burgess |
| Final Night | Nancy Siver |
| Programme | Heather Scott |
| Publicity | Wendy Stevens |
| Bar | Dave Abbott |
| Production Photographer | Leigh Perry and Lorna Faulkner |
Cast
| Jimmy Perry | George Remmington |
| Manuel | Carl Watson |
| Toby Landau | Sharon Wickstrom |
| Evy Meara | Brenda Jemmeson |
| Polly Meara | Shannon Rose |
| Lou Tanner | Rick Cordingley |
Crew
| Set Design | Doug Huggins |
| Assistant Producer | Gwen Learey |
| Stage Manager | Bob Walker |
| ASM | Jim Brown |
| Set Construction | Bob Walker |
| assisted by | John Maguire, Steve Stoecker, George Siver, Rick Cordingley, Wendy Stevens, Annette Reeves, David Jones, Jim Brown |
| Properties | Ann Nevill |
| assisted by | Terri Robinson, Grace Theune |
| Costumes | Dorothy Walker |
| assisted by | Penny Bayne |
| Sound | Wendy Martin and Bob Wilson |
| Lighting | Shaun Dunn |
| assisted by | Peter Huggins |
| Make Up | Shirley Remmington |
| Hair | Becky Bourne of Unicorn |
| Tickets | Penny Thorburn |
| Program | Pamela Roberts |
| Publicity | Wendy Stevens |
| Foyer Display | Dagmar Maguire |
| House | Ivy Carmichael and Rita Potter |
| First Night | Marie Milledge and Melissa Kubis |
| Refreshments | Annette Reeves |

