Joseph Mell
Joseph Mell  had an uncredited role as a trader in the  episode . His acting credits include I Was a Teenage Werewolf (also starring Whit Bissell and Michael Rougas).

He filmed his scenes for "The Cage" on Friday,  on Desilu Culver Stage 15.

Mell enlisted in the US Army in May 1941.

He died of a heart condition in 1977 at 62.

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Performers
TOS performers