Happy #Birthday to #actor #TobiasMehler, #Stargate #SG1 Lt. #GrahamSimmons!!! https://t.co/H6aDvNiKSn https://t.co/4wITf5NvCO https://t.co/9CD0f37Z8H #StargateSG1 #SG #gueststar #Simmons #LtSimmons
