Générique complet
Two Lost Worlds
James Arness
Kirk Hamilton
Kasey Rogers
Elaine Jeffries
GP
Gloria Petroff
Janice Jeffries
Bill Kennedy
Martin Shannon
Pierre Watkin
Magistrate Jeffries
TH
Tom Hubbard
John Hartley
JH
Jane Harlan
Nancy Holden
TM
Tom Monroe
Merchant Capt. Tallman
RB
Rye Billsbury
Pirate Captain Hackett
Fred Kohler Jr.
Nat Mercer
TG
Tim Graham
Salty
RB
Richard Bartell
Mr. Davis
RC
Robert Carson
Naval Capt. Allison
JR
Joey Raye
CH
Charlene Hawks
CR
Charles Regan
DR
Don Riss
Narrator
JG
James Guilfoyle
Dr. Wakeland
HM
Hank Mann
Cap Somers
GB
Guy Bellis
[Credited, but edited]
HC
Herman Cantor
Fuller - Sailor