The Romulans are up to some sneaky time tricks, so Ensign Operator needs to teach cavemen to play with fire, but without a poker... Get it? Poker? POKE ER? GET IT?    Mat Young as Captain Baxter, Lt. Greg Chris Rathjen as Cmdr. Hayes, Caveman, Romulan Trickster Mary Cait Walthall as Ensign Operator Sean Kelley as Cmdr. Crick Watson, Caveman Nick Wagner as Lt. Ch'arles Lorem, Sub-Commander Tichel, Caveman Eli Mandel as Acting Chef Rip Stipley, Romulan Commander, Thag