Joe Saunders (1 episode)
Jack Baldwin
Prof. Jorge Serra Hamilton
Jeremiah Edward Emmett Augustus Nolan
Captain Wiles
Walter Clinton Carter (1 episode)
Dr. Harold Medford
Prof. Juttner
Mr. Jordan
Dr. Stone
Self - Narrator (1 episode)
'Admiral' Johnnie Adams
Coach Ted 'Pop' Drew
Bishop Courbet
Grandpa Pat Ryan
Father Joseph Murray
Arthur
William "Skipper" Miller
Cyrus Baxter
Mr. Hammond
J.D. Middlecott
John Traill
Mr. Milton
Prof. Henry C. Barnes
Adam MacAdam
Rev. Dr. Lloyd
Kris Kringle
Octavius Patourel
Professor Hamilton
Athelny
Dr. Homer Pecke
Dr. Bergson
Albert Richard Kingby
Fr. Hamish MacNabb
Scrubby
Rowlie Palmer
Frederick P. Leggitt
Stubbs
Bartolomé the Juggler
Headmaster Justin
Stephen Spettigue
Lord Fitzleigh
Insp. Cork
President Corcoran
Mr. Bennet
Dr. Lionel Sterling
Tom Brown
Munsey, the Butler
Edward Ironside
Joe Higgins
Alfred Huggins
Dean of Cardinal
Henry Campbell
Mr. Radfern
Williams
Jeffrey Crane
John Bonnyfeather
Dr. Evan Beaumont
Henry Scarlett
John Bolton
David Lawrence
Jeremy Ammidon
Johann Strauss, the Elder
Adm. Fitzporter
Wakefield
Trotter
Edmund Gilbert
Burgomaster
Kruger
Jess Oakroyd
Mayor Pategg
Philpotts
Banting
Sir Henry Blossom
Jim Willis
Chris Hawthorne
Mr. Hornblower
Her Husband (Teddy Bompas)
Hornblower
Rupert K. Thunder / Macbeth