Talfryn Thomas
From Tardis Wiki, the free Doctor Who reference
Talfryn Thomas (31st October 1922-4th November 1982) played Mullins in Spearhead from Space and Dave in The Green Death.
He appeared in the 60's and 70's BBC comedy Dad's Army as Private Cheeseman, fellow Who guest actors Alan Tilvern and Wendy Richards also had a part in the series.
