Full Credits
22 members

Richard Crane
Capt. Cyrus Harding

Marshall Reed
Jack Pencroft

Karen Randle
Rulu of Mercury
Ralph Hodges
Herbert 'Bert' Brown

Gene Roth
Pirate Capt. Shard

Hugh Prosser
Gideon Spillet

Leonard Penn
Capt. Nemo

Terry Frost
Ayrton - The Wild Man
Rusty Wescoatt
Moley - Shard Henchman

Bernie Hamilton
Neb

William Fawcett
Mr. Jackson
George Robotham
Mercurian

Stanley Blystone
Confederate Officer
Roy Butler
Thug in Park

Frank Ellis
Pirate

Knox Manning
Narrator (voice)

Zon Murray
Thug in Park

Frank O'Connor
Confederate Officer
Sid Ross
Mercurian

Tom Tyler
Union Dispatch Rider

Anthony Warde
Confederate Officer

Pierre Watkin
Confederate Officer
15 members
Spencer Gordon Bennet
Director
R. M. Andrews
Assistant Director
Jules Verne
Novel
Lewis Clay
Screenplay
Royal K. Cole
Screenplay
George H. Plympton
Screenplay
Sam Katzman
Producer
Herbert B. Leonard
Production Manager
Fayte M. Browne
Director of Photography
Mischa Bakaleinikoff
Music Director
J. S. Westmoreland
Sound Engineer
Paul Palmentola
Art Direction
Earl Turner
Editor
George Robotham
Stunts
Wally West
Stunt Double