Lindsay Wagner did a topless scene in Two People (1973)
To my knowledge, there is no available version of this worth obtaining. I’ve never seen any clips except in VHS quality. On the other hand, that crappy version is the one and only place where you can see the bionic breasts.
Her boobs remind me of Teri Garr’s. Mosquito bites but both hot women in their prime.
And the late, great Peter Fonda