Vince St. Cyr
Vince St. Cyr  was a actor who played the father of the drowning boy in the  episode . As a background performer, he received no credit for the role.

He also appeared in the Western The Wild and the Innocent (1959, with Albert Cavens, Charles Seel, and Mary Carver).

He was a relative of famed 1920s-1930s Native American actress Lillian St. Cyr, aka .

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Performers
TOS performers