A look at William Shatner, who played the role of Captain Kirk on the Original Star Trek series.

A look at Patrick Stewart, who played the role of Captain Picard in Star Trek - The Next Generation.

A look at Avery Brooks, who played Commander Sisko in Star Trek - Deep Space Nine.

A look at Kate Mulgrew, who played Captain Janeway in Star Trek - Voyager.

A look at Scott Bakula, who played Captain Archer in Star Trek - Enterprise.