Richard Crane
Capt. Cyrus Harding
Acting
Marshall Reed
Jack Pencroft
Acting
Karen Randle
Rulu of Mercury
Acting
Ralph Hodges
Herbert 'Bert' Brown
Acting
Gene Roth
Pirate Capt. Shard
Acting
Hugh Prosser
Gideon Spillet
Acting
Leonard Penn
Capt. Nemo
Acting
Terry Frost
Ayrton - The Wild Man
Acting
Rusty Wescoatt
Moley - Shard Henchman
Acting
Bernie Hamilton
Neb
Acting
William Fawcett
Mr. Jackson
Acting
George Robotham
Mercurian
Acting
Stanley Blystone
Confederate Officer
Acting
Roy Butler
Thug in Park
Acting
Frank Ellis
Pirate
Acting
Knox Manning
Narrator (voice)
Acting
Zon Murray
Thug in Park
Acting
Frank O'Connor
Confederate Officer
Acting
Sid Ross
Mercurian
Acting
Tom Tyler
Union Dispatch Rider
Acting
Anthony Warde
Confederate Officer
Acting
Pierre Watkin
Confederate Officer
Acting