Richard Pearce
Dennis (voice)

Kerry Shale
Gnasher (voice)

Gary Martin
Pie-Face (voice)

Jill Lidstone
Curly (voice)

Sally Grace
Granny (voice)

Eve Karpf
Mum (voice)

Colin McFarlane
Sgt. Slipper (voice)

John Baddeley
Dad / The Colonel (voice)

Judy Bennett
Walter the Softy

Denis Quilley
Slasher Brown (voice)

Billy Connolly
Captain Trout (voice)

Leslie Phillips
Mr. Greenfly (voice)

Tim Brooke-Taylor
Astronomer (voice)

William Rushton
Astronomer (voice)

Mollie Sugden
Vilhemina Slop Bucket (voice)

Jonathan Kydd
Muffin Man (voice)

Derek Nimmo
Mr. Smiley (voice)

Greg Proops
Quentin Hitchberg (voice)

Ken Dodd
Sir Fitz-Patrick Flush (voice)

Katy Hill
Herself (voice)