Capt. Cyrus Harding

Richard Crane

Acting

Jack Pencroft

Marshall Reed

Acting

Rulu of Mercury

Karen Randle

Acting

Herbert 'Bert' Brown

Ralph Hodges

Acting

Pirate Capt. Shard

Gene Roth

Acting

Gideon Spillet

Hugh Prosser

Acting

Capt. Nemo

Leonard Penn

Acting

Ayrton - The Wild Man

Terry Frost

Acting

Moley - Shard Henchman

Rusty Wescoatt

Acting

Neb

Bernie Hamilton

Acting

Mr. Jackson

William Fawcett

Acting

Mercurian

George Robotham

Acting

Confederate Officer

Stanley Blystone

Acting

Thug in Park

Roy Butler

Acting

Pirate

Frank Ellis

Acting

Narrator (voice)

Knox Manning

Acting

Thug in Park

Zon Murray

Acting

Confederate Officer

Frank O'Connor

Acting

Mercurian

Sid Ross

Acting

Union Dispatch Rider

Tom Tyler

Acting

Confederate Officer

Anthony Warde

Acting

Confederate Officer

Pierre Watkin

Acting